diff --git a/Makefile b/Makefile index 95848875110e..5c9d680b7ce5 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 4 -SUBLEVEL = 89 +SUBLEVEL = 90 EXTRAVERSION = NAME = Kleptomaniac Octopus diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c index 3acb4192918d..f85a0fd6aca5 100644 --- a/arch/arm/mach-omap2/omap_device.c +++ b/arch/arm/mach-omap2/omap_device.c @@ -234,10 +234,12 @@ static int _omap_device_notifier_call(struct notifier_block *nb, break; case BUS_NOTIFY_BIND_DRIVER: od = to_omap_device(pdev); - if (od && (od->_state == OMAP_DEVICE_STATE_ENABLED) && - pm_runtime_status_suspended(dev)) { + if (od) { od->_driver_status = BUS_NOTIFY_BIND_DRIVER; - pm_runtime_set_active(dev); + if (od->_state == OMAP_DEVICE_STATE_ENABLED && + pm_runtime_status_suspended(dev)) { + pm_runtime_set_active(dev); + } } break; case BUS_NOTIFY_ADD_DEVICE: diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 6478635ff214..98a177dd1f89 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -625,6 +625,10 @@ static void reset_pmcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r) { u64 pmcr, val; + /* No PMU available, PMCR_EL0 may UNDEF... */ + if (!kvm_arm_support_pmu_v3()) + return; + pmcr = read_sysreg(pmcr_el0); /* * Writable bits of PMCR_EL0 (ARMV8_PMU_PMCR_MASK) are reset to UNKNOWN diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index 390edb763826..bde3e0f85425 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -869,9 +869,10 @@ GLOBAL(__begin_SYSENTER_singlestep_region) * Xen doesn't set %esp to be precisely what the normal SYSENTER * entry point expects, so fix it up before using the normal path. */ -ENTRY(xen_sysenter_target) +SYM_CODE_START(xen_sysenter_target) addl $5*4, %esp /* remove xen-provided frame */ jmp .Lsysenter_past_esp +SYM_CODE_END(xen_sysenter_target) #endif /* diff --git a/arch/x86/kernel/acpi/wakeup_32.S b/arch/x86/kernel/acpi/wakeup_32.S index e95e95960156..5b076cb79f5f 100644 --- a/arch/x86/kernel/acpi/wakeup_32.S +++ b/arch/x86/kernel/acpi/wakeup_32.S @@ -9,8 +9,7 @@ .code32 ALIGN -ENTRY(wakeup_pmode_return) -wakeup_pmode_return: +SYM_CODE_START(wakeup_pmode_return) movw $__KERNEL_DS, %ax movw %ax, %ss movw %ax, %fs @@ -39,6 +38,7 @@ wakeup_pmode_return: # jump to place where we left off movl saved_eip, %eax jmp *%eax +SYM_CODE_END(wakeup_pmode_return) bogus_magic: jmp bogus_magic @@ -72,7 +72,7 @@ restore_registers: popfl ret -ENTRY(do_suspend_lowlevel) +SYM_CODE_START(do_suspend_lowlevel) call save_processor_state call save_registers pushl $3 @@ -87,6 +87,7 @@ ret_point: call restore_registers call restore_processor_state ret +SYM_CODE_END(do_suspend_lowlevel) .data ALIGN diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c index 830ccc396e26..28f786289fce 100644 --- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c +++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c @@ -525,85 +525,70 @@ static void rdtgroup_remove(struct rdtgroup *rdtgrp) kfree(rdtgrp); } -struct task_move_callback { - struct callback_head work; - struct rdtgroup *rdtgrp; -}; - -static void move_myself(struct callback_head *head) +static void _update_task_closid_rmid(void *task) { - struct task_move_callback *callback; - struct rdtgroup *rdtgrp; - - callback = container_of(head, struct task_move_callback, work); - rdtgrp = callback->rdtgrp; - /* - * If resource group was deleted before this task work callback - * was invoked, then assign the task to root group and free the - * resource group. + * If the task is still current on this CPU, update PQR_ASSOC MSR. + * Otherwise, the MSR is updated when the task is scheduled in. */ - if (atomic_dec_and_test(&rdtgrp->waitcount) && - (rdtgrp->flags & RDT_DELETED)) { - current->closid = 0; - current->rmid = 0; - rdtgroup_remove(rdtgrp); - } - - preempt_disable(); - /* update PQR_ASSOC MSR to make resource group go into effect */ - resctrl_sched_in(); - preempt_enable(); + if (task == current) + resctrl_sched_in(); +} - kfree(callback); +static void update_task_closid_rmid(struct task_struct *t) +{ + if (IS_ENABLED(CONFIG_SMP) && task_curr(t)) + smp_call_function_single(task_cpu(t), _update_task_closid_rmid, t, 1); + else + _update_task_closid_rmid(t); } static int __rdtgroup_move_task(struct task_struct *tsk, struct rdtgroup *rdtgrp) { - struct task_move_callback *callback; - int ret; - - callback = kzalloc(sizeof(*callback), GFP_KERNEL); - if (!callback) - return -ENOMEM; - callback->work.func = move_myself; - callback->rdtgrp = rdtgrp; + /* If the task is already in rdtgrp, no need to move the task. */ + if ((rdtgrp->type == RDTCTRL_GROUP && tsk->closid == rdtgrp->closid && + tsk->rmid == rdtgrp->mon.rmid) || + (rdtgrp->type == RDTMON_GROUP && tsk->rmid == rdtgrp->mon.rmid && + tsk->closid == rdtgrp->mon.parent->closid)) + return 0; /* - * Take a refcount, so rdtgrp cannot be freed before the - * callback has been invoked. + * Set the task's closid/rmid before the PQR_ASSOC MSR can be + * updated by them. + * + * For ctrl_mon groups, move both closid and rmid. + * For monitor groups, can move the tasks only from + * their parent CTRL group. */ - atomic_inc(&rdtgrp->waitcount); - ret = task_work_add(tsk, &callback->work, true); - if (ret) { - /* - * Task is exiting. Drop the refcount and free the callback. - * No need to check the refcount as the group cannot be - * deleted before the write function unlocks rdtgroup_mutex. - */ - atomic_dec(&rdtgrp->waitcount); - kfree(callback); - rdt_last_cmd_puts("Task exited\n"); - } else { - /* - * For ctrl_mon groups move both closid and rmid. - * For monitor groups, can move the tasks only from - * their parent CTRL group. - */ - if (rdtgrp->type == RDTCTRL_GROUP) { - tsk->closid = rdtgrp->closid; + + if (rdtgrp->type == RDTCTRL_GROUP) { + tsk->closid = rdtgrp->closid; + tsk->rmid = rdtgrp->mon.rmid; + } else if (rdtgrp->type == RDTMON_GROUP) { + if (rdtgrp->mon.parent->closid == tsk->closid) { tsk->rmid = rdtgrp->mon.rmid; - } else if (rdtgrp->type == RDTMON_GROUP) { - if (rdtgrp->mon.parent->closid == tsk->closid) { - tsk->rmid = rdtgrp->mon.rmid; - } else { - rdt_last_cmd_puts("Can't move task to different control group\n"); - ret = -EINVAL; - } + } else { + rdt_last_cmd_puts("Can't move task to different control group\n"); + return -EINVAL; } } - return ret; + + /* + * Ensure the task's closid and rmid are written before determining if + * the task is current that will decide if it will be interrupted. + */ + barrier(); + + /* + * By now, the task's closid and rmid are set. If the task is current + * on a CPU, the PQR_ASSOC MSR needs to be updated to make the resource + * group go into effect. If the task is not current, the MSR will be + * updated when the task is scheduled in. + */ + update_task_closid_rmid(tsk); + + return 0; } /** diff --git a/arch/x86/kernel/ftrace_32.S b/arch/x86/kernel/ftrace_32.S index 073aab525d80..2cc0303522c9 100644 --- a/arch/x86/kernel/ftrace_32.S +++ b/arch/x86/kernel/ftrace_32.S @@ -89,7 +89,7 @@ WEAK(ftrace_stub) ret END(ftrace_caller) -ENTRY(ftrace_regs_caller) +SYM_CODE_START(ftrace_regs_caller) /* * We're here from an mcount/fentry CALL, and the stack frame looks like: * @@ -163,6 +163,7 @@ GLOBAL(ftrace_regs_call) popl %eax jmp .Lftrace_ret +SYM_CODE_END(ftrace_regs_caller) #ifdef CONFIG_FUNCTION_GRAPH_TRACER ENTRY(ftrace_graph_caller) diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 2e6a0676c1f4..11a5d5ade52c 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -64,7 +64,7 @@ RESERVE_BRK(pagetables, INIT_MAP_SIZE) * can. */ __HEAD -ENTRY(startup_32) +SYM_CODE_START(startup_32) movl pa(initial_stack),%ecx /* test KEEP_SEGMENTS flag to see if the bootloader is asking @@ -172,6 +172,7 @@ num_subarch_entries = (. - subarch_entries) / 4 #else jmp .Ldefault_entry #endif /* CONFIG_PARAVIRT */ +SYM_CODE_END(startup_32) #ifdef CONFIG_HOTPLUG_CPU /* diff --git a/arch/x86/power/hibernate_asm_32.S b/arch/x86/power/hibernate_asm_32.S index 6fe383002125..a19ed3d23185 100644 --- a/arch/x86/power/hibernate_asm_32.S +++ b/arch/x86/power/hibernate_asm_32.S @@ -35,7 +35,7 @@ ENTRY(swsusp_arch_suspend) ret ENDPROC(swsusp_arch_suspend) -ENTRY(restore_image) +SYM_CODE_START(restore_image) /* prepare to jump to the image kernel */ movl restore_jump_address, %ebx movl restore_cr3, %ebp @@ -45,9 +45,10 @@ ENTRY(restore_image) /* jump to relocated restore code */ movl relocated_restore_code, %eax jmpl *%eax +SYM_CODE_END(restore_image) /* code below has been relocated to a safe page */ -ENTRY(core_restore_code) +SYM_CODE_START(core_restore_code) movl temp_pgt, %eax movl %eax, %cr3 @@ -77,6 +78,7 @@ copy_loop: done: jmpl *%ebx +SYM_CODE_END(core_restore_code) /* code below belongs to the image kernel */ .align PAGE_SIZE diff --git a/arch/x86/realmode/rm/trampoline_32.S b/arch/x86/realmode/rm/trampoline_32.S index 1868b158480d..3a0ef0d57734 100644 --- a/arch/x86/realmode/rm/trampoline_32.S +++ b/arch/x86/realmode/rm/trampoline_32.S @@ -29,7 +29,7 @@ .code16 .balign PAGE_SIZE -ENTRY(trampoline_start) +SYM_CODE_START(trampoline_start) wbinvd # Needed for NUMA-Q should be harmless for others LJMPW_RM(1f) @@ -54,11 +54,13 @@ ENTRY(trampoline_start) lmsw %dx # into protected mode ljmpl $__BOOT_CS, $pa_startup_32 +SYM_CODE_END(trampoline_start) .section ".text32","ax" .code32 -ENTRY(startup_32) # note: also used from wakeup_asm.S +SYM_CODE_START(startup_32) # note: also used from wakeup_asm.S jmp *%eax +SYM_CODE_END(startup_32) .bss .balign 8 diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S index cd177772fe4d..2712e9155306 100644 --- a/arch/x86/xen/xen-asm_32.S +++ b/arch/x86/xen/xen-asm_32.S @@ -56,7 +56,7 @@ _ASM_EXTABLE(1b,2b) .endm -ENTRY(xen_iret) +SYM_CODE_START(xen_iret) /* test eflags for special cases */ testl $(X86_EFLAGS_VM | XEN_EFLAGS_NMI), 8(%esp) jnz hyper_iret @@ -122,6 +122,7 @@ xen_iret_end_crit: hyper_iret: /* put this out of line since its very rarely used */ jmp hypercall_page + __HYPERVISOR_iret * 32 +SYM_CODE_END(xen_iret) .globl xen_iret_start_crit, xen_iret_end_crit @@ -152,7 +153,7 @@ hyper_iret: * The only caveat is that if the outer eax hasn't been restored yet (i.e. * it's still on stack), we need to restore its value here. */ -ENTRY(xen_iret_crit_fixup) +SYM_CODE_START(xen_iret_crit_fixup) /* * Paranoia: Make sure we're really coming from kernel space. * One could imagine a case where userspace jumps into the @@ -179,4 +180,4 @@ ENTRY(xen_iret_crit_fixup) 2: ret -END(xen_iret_crit_fixup) +SYM_CODE_END(xen_iret_crit_fixup) diff --git a/block/genhd.c b/block/genhd.c index 26b31fcae217..604f0a2cbc9a 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -222,14 +222,17 @@ struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter) part = rcu_dereference(ptbl->part[piter->idx]); if (!part) continue; + get_device(part_to_dev(part)); + piter->part = part; if (!part_nr_sects_read(part) && !(piter->flags & DISK_PITER_INCL_EMPTY) && !(piter->flags & DISK_PITER_INCL_EMPTY_PART0 && - piter->idx == 0)) + piter->idx == 0)) { + put_device(part_to_dev(part)); + piter->part = NULL; continue; + } - get_device(part_to_dev(part)); - piter->part = part; piter->idx += inc; break; } diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index f58baff2be0a..398991381e9a 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -583,8 +583,12 @@ void regmap_debugfs_init(struct regmap *map, const char *name) devname = dev_name(map->dev); if (name) { - map->debugfs_name = kasprintf(GFP_KERNEL, "%s-%s", + if (!map->debugfs_name) { + map->debugfs_name = kasprintf(GFP_KERNEL, "%s-%s", devname, name); + if (!map->debugfs_name) + return; + } name = map->debugfs_name; } else { name = devname; @@ -592,9 +596,10 @@ void regmap_debugfs_init(struct regmap *map, const char *name) if (!strcmp(name, "dummy")) { kfree(map->debugfs_name); - map->debugfs_name = kasprintf(GFP_KERNEL, "dummy%d", dummy_index); + if (!map->debugfs_name) + return; name = map->debugfs_name; dummy_index++; } diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 1bb8ec575352..0fc27ac14f29 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -461,6 +461,7 @@ config BLK_DEV_RBD config BLK_DEV_RSXX tristate "IBM Flash Adapter 900GB Full Height PCIe Device Driver" depends on PCI + select CRC32 help Device driver for IBM's high speed PCIe SSD storage device: Flash Adapter 900GB Full Height. diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c index 2db2f1739e09..1b2ec3be59eb 100644 --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -878,9 +878,9 @@ static int get_transition_latency(struct powernow_k8_data *data) /* Take a frequency, and issue the fid/vid transition command */ static int transition_frequency_fidvid(struct powernow_k8_data *data, - unsigned int index) + unsigned int index, + struct cpufreq_policy *policy) { - struct cpufreq_policy *policy; u32 fid = 0; u32 vid = 0; int res; @@ -912,9 +912,6 @@ static int transition_frequency_fidvid(struct powernow_k8_data *data, freqs.old = find_khz_freq_from_fid(data->currfid); freqs.new = find_khz_freq_from_fid(fid); - policy = cpufreq_cpu_get(smp_processor_id()); - cpufreq_cpu_put(policy); - cpufreq_freq_transition_begin(policy, &freqs); res = transition_fid_vid(data, fid, vid); cpufreq_freq_transition_end(policy, &freqs, res); @@ -969,7 +966,7 @@ static long powernowk8_target_fn(void *arg) powernow_k8_acpi_pst_values(data, newstate); - ret = transition_frequency_fidvid(data, newstate); + ret = transition_frequency_fidvid(data, newstate, pol); if (ret) { pr_err("transition frequency failed\n"); diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.c b/drivers/crypto/chelsio/chtls/chtls_cm.c index f81a5e35d8fd..eddc6d1bdb2d 100644 --- a/drivers/crypto/chelsio/chtls/chtls_cm.c +++ b/drivers/crypto/chelsio/chtls/chtls_cm.c @@ -577,7 +577,7 @@ static void chtls_reset_synq(struct listen_ctx *listen_ctx) while (!skb_queue_empty(&listen_ctx->synq)) { struct chtls_sock *csk = - container_of((struct synq *)__skb_dequeue + container_of((struct synq *)skb_peek (&listen_ctx->synq), struct chtls_sock, synq); struct sock *child = csk->sk; @@ -1021,6 +1021,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk, const struct cpl_pass_accept_req *req, struct chtls_dev *cdev) { + struct adapter *adap = pci_get_drvdata(cdev->pdev); struct inet_sock *newinet; const struct iphdr *iph; struct tls_context *ctx; @@ -1030,9 +1031,10 @@ static struct sock *chtls_recv_sock(struct sock *lsk, struct neighbour *n; struct tcp_sock *tp; struct sock *newsk; + bool found = false; u16 port_id; int rxq_idx; - int step; + int step, i; iph = (const struct iphdr *)network_hdr; newsk = tcp_create_openreq_child(lsk, oreq, cdev->askb); @@ -1044,7 +1046,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk, goto free_sk; n = dst_neigh_lookup(dst, &iph->saddr); - if (!n) + if (!n || !n->dev) goto free_sk; ndev = n->dev; @@ -1053,6 +1055,13 @@ static struct sock *chtls_recv_sock(struct sock *lsk, if (is_vlan_dev(ndev)) ndev = vlan_dev_real_dev(ndev); + for_each_port(adap, i) + if (cdev->ports[i] == ndev) + found = true; + + if (!found) + goto free_dst; + port_id = cxgb4_port_idx(ndev); csk = chtls_sock_create(cdev); @@ -1108,6 +1117,7 @@ static struct sock *chtls_recv_sock(struct sock *lsk, free_csk: chtls_sock_release(&csk->kref); free_dst: + neigh_release(n); dst_release(dst); free_sk: inet_csk_prepare_forced_close(newsk); @@ -1443,6 +1453,11 @@ static int chtls_pass_establish(struct chtls_dev *cdev, struct sk_buff *skb) sk_wake_async(sk, 0, POLL_OUT); data = lookup_stid(cdev->tids, stid); + if (!data) { + /* listening server close */ + kfree_skb(skb); + goto unlock; + } lsk = ((struct listen_ctx *)data)->lsk; bh_lock_sock(lsk); @@ -1828,39 +1843,6 @@ static void send_defer_abort_rpl(struct chtls_dev *cdev, struct sk_buff *skb) kfree_skb(skb); } -static void send_abort_rpl(struct sock *sk, struct sk_buff *skb, - struct chtls_dev *cdev, int status, int queue) -{ - struct cpl_abort_req_rss *req = cplhdr(skb); - struct sk_buff *reply_skb; - struct chtls_sock *csk; - - csk = rcu_dereference_sk_user_data(sk); - - reply_skb = alloc_skb(sizeof(struct cpl_abort_rpl), - GFP_KERNEL); - - if (!reply_skb) { - req->status = (queue << 1); - send_defer_abort_rpl(cdev, skb); - return; - } - - set_abort_rpl_wr(reply_skb, GET_TID(req), status); - kfree_skb(skb); - - set_wr_txq(reply_skb, CPL_PRIORITY_DATA, queue); - if (csk_conn_inline(csk)) { - struct l2t_entry *e = csk->l2t_entry; - - if (e && sk->sk_state != TCP_SYN_RECV) { - cxgb4_l2t_send(csk->egress_dev, reply_skb, e); - return; - } - } - cxgb4_ofld_send(cdev->lldi->ports[0], reply_skb); -} - /* * Add an skb to the deferred skb queue for processing from process context. */ @@ -1923,9 +1905,9 @@ static void bl_abort_syn_rcv(struct sock *lsk, struct sk_buff *skb) queue = csk->txq_idx; skb->sk = NULL; + chtls_send_abort_rpl(child, skb, BLOG_SKB_CB(skb)->cdev, + CPL_ABORT_NO_RST, queue); do_abort_syn_rcv(child, lsk); - send_abort_rpl(child, skb, BLOG_SKB_CB(skb)->cdev, - CPL_ABORT_NO_RST, queue); } static int abort_syn_rcv(struct sock *sk, struct sk_buff *skb) @@ -1955,8 +1937,8 @@ static int abort_syn_rcv(struct sock *sk, struct sk_buff *skb) if (!sock_owned_by_user(psk)) { int queue = csk->txq_idx; + chtls_send_abort_rpl(sk, skb, cdev, CPL_ABORT_NO_RST, queue); do_abort_syn_rcv(sk, psk); - send_abort_rpl(sk, skb, cdev, CPL_ABORT_NO_RST, queue); } else { skb->sk = sk; BLOG_SKB_CB(skb)->backlog_rcv = bl_abort_syn_rcv; @@ -1974,9 +1956,6 @@ static void chtls_abort_req_rss(struct sock *sk, struct sk_buff *skb) int queue = csk->txq_idx; if (is_neg_adv(req->status)) { - if (sk->sk_state == TCP_SYN_RECV) - chtls_set_tcb_tflag(sk, 0, 0); - kfree_skb(skb); return; } @@ -2002,12 +1981,11 @@ static void chtls_abort_req_rss(struct sock *sk, struct sk_buff *skb) if (sk->sk_state == TCP_SYN_RECV && !abort_syn_rcv(sk, skb)) return; - - chtls_release_resources(sk); - chtls_conn_done(sk); } chtls_send_abort_rpl(sk, skb, csk->cdev, rst_status, queue); + chtls_release_resources(sk); + chtls_conn_done(sk); } static void chtls_abort_rpl_rss(struct sock *sk, struct sk_buff *skb) diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c index 7f9a86c3c58f..31577316f80b 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -85,12 +85,12 @@ static struct dw_edma_chunk *dw_edma_alloc_chunk(struct dw_edma_desc *desc) if (desc->chunk) { /* Create and add new element into the linked list */ - desc->chunks_alloc++; - list_add_tail(&chunk->list, &desc->chunk->list); if (!dw_edma_alloc_burst(chunk)) { kfree(chunk); return NULL; } + desc->chunks_alloc++; + list_add_tail(&chunk->list, &desc->chunk->list); } else { /* List head */ chunk->burst = NULL; diff --git a/drivers/dma/mediatek/mtk-hsdma.c b/drivers/dma/mediatek/mtk-hsdma.c index 4c58da742143..04d89eec11e7 100644 --- a/drivers/dma/mediatek/mtk-hsdma.c +++ b/drivers/dma/mediatek/mtk-hsdma.c @@ -1007,6 +1007,7 @@ static int mtk_hsdma_probe(struct platform_device *pdev) return 0; err_free: + mtk_hsdma_hw_deinit(hsdma); of_dma_controller_free(pdev->dev.of_node); err_unregister: dma_async_device_unregister(dd); diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index a6abfe702c5a..1b5f3e9f43d7 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -2431,7 +2431,7 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev, has_dre = false; if (!has_dre) - xdev->common.copy_align = fls(width - 1); + xdev->common.copy_align = (enum dmaengine_alignment)fls(width - 1); if (of_device_is_compatible(node, "xlnx,axi-vdma-mm2s-channel") || of_device_is_compatible(node, "xlnx,axi-dma-mm2s-channel") || @@ -2543,7 +2543,8 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev, static int xilinx_dma_child_probe(struct xilinx_dma_device *xdev, struct device_node *node) { - int ret, i, nr_channels = 1; + int ret, i; + u32 nr_channels = 1; ret = of_property_read_u32(node, "dma-channels", &nr_channels); if ((ret < 0) && xdev->mcdma) @@ -2742,7 +2743,11 @@ static int xilinx_dma_probe(struct platform_device *pdev) } /* Register the DMA engine with the core */ - dma_async_device_register(&xdev->common); + err = dma_async_device_register(&xdev->common); + if (err) { + dev_err(xdev->dev, "failed to register the dma device\n"); + goto error; + } err = of_dma_controller_register(node, of_dma_xilinx_xlate, xdev); diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index cd71e7133944..9e852b4bbf92 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -1270,6 +1270,37 @@ static int wacom_devm_sysfs_create_group(struct wacom *wacom, group); } +static void wacom_devm_kfifo_release(struct device *dev, void *res) +{ + struct kfifo_rec_ptr_2 *devres = res; + + kfifo_free(devres); +} + +static int wacom_devm_kfifo_alloc(struct wacom *wacom) +{ + struct wacom_wac *wacom_wac = &wacom->wacom_wac; + struct kfifo_rec_ptr_2 *pen_fifo = &wacom_wac->pen_fifo; + int error; + + pen_fifo = devres_alloc(wacom_devm_kfifo_release, + sizeof(struct kfifo_rec_ptr_2), + GFP_KERNEL); + + if (!pen_fifo) + return -ENOMEM; + + error = kfifo_alloc(pen_fifo, WACOM_PKGLEN_MAX, GFP_KERNEL); + if (error) { + devres_free(pen_fifo); + return error; + } + + devres_add(&wacom->hdev->dev, pen_fifo); + + return 0; +} + enum led_brightness wacom_leds_brightness_get(struct wacom_led *led) { struct wacom *wacom = led->wacom; @@ -2724,7 +2755,7 @@ static int wacom_probe(struct hid_device *hdev, if (features->check_for_hid_type && features->hid_type != hdev->type) return -ENODEV; - error = kfifo_alloc(&wacom_wac->pen_fifo, WACOM_PKGLEN_MAX, GFP_KERNEL); + error = wacom_devm_kfifo_alloc(wacom); if (error) return error; @@ -2786,8 +2817,6 @@ static void wacom_remove(struct hid_device *hdev) if (wacom->wacom_wac.features.type != REMOTE) wacom_release_resources(wacom); - - kfifo_free(&wacom_wac->pen_fifo); } #ifdef CONFIG_PM diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index c40eef4e7a98..2b6a4c1f188f 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1424,7 +1424,7 @@ static int i801_add_mux(struct i801_priv *priv) /* Register GPIO descriptor lookup table */ lookup = devm_kzalloc(dev, - struct_size(lookup, table, mux_config->n_gpios), + struct_size(lookup, table, mux_config->n_gpios + 1), GFP_KERNEL); if (!lookup) return -ENOMEM; diff --git a/drivers/i2c/busses/i2c-sprd.c b/drivers/i2c/busses/i2c-sprd.c index b432e7580458..b2dc80286464 100644 --- a/drivers/i2c/busses/i2c-sprd.c +++ b/drivers/i2c/busses/i2c-sprd.c @@ -72,6 +72,8 @@ /* timeout (ms) for pm runtime autosuspend */ #define SPRD_I2C_PM_TIMEOUT 1000 +/* timeout (ms) for transfer message */ +#define I2C_XFER_TIMEOUT 1000 /* SPRD i2c data structure */ struct sprd_i2c { @@ -244,6 +246,7 @@ static int sprd_i2c_handle_msg(struct i2c_adapter *i2c_adap, struct i2c_msg *msg, bool is_last_msg) { struct sprd_i2c *i2c_dev = i2c_adap->algo_data; + unsigned long time_left; i2c_dev->msg = msg; i2c_dev->buf = msg->buf; @@ -273,7 +276,10 @@ static int sprd_i2c_handle_msg(struct i2c_adapter *i2c_adap, sprd_i2c_opt_start(i2c_dev); - wait_for_completion(&i2c_dev->complete); + time_left = wait_for_completion_timeout(&i2c_dev->complete, + msecs_to_jiffies(I2C_XFER_TIMEOUT)); + if (!time_left) + return -ETIMEDOUT; return i2c_dev->err; } diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c index b0f3da1976e4..d1f2109012ed 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c @@ -664,13 +664,29 @@ static irqreturn_t st_lsm6dsx_handler_irq(int irq, void *private) static irqreturn_t st_lsm6dsx_handler_thread(int irq, void *private) { struct st_lsm6dsx_hw *hw = private; - int count; + int fifo_len = 0, len; - mutex_lock(&hw->fifo_lock); - count = hw->settings->fifo_ops.read_fifo(hw); - mutex_unlock(&hw->fifo_lock); + /* + * If we are using edge IRQs, new samples can arrive while + * processing current interrupt since there are no hw + * guarantees the irq line stays "low" long enough to properly + * detect the new interrupt. In this case the new sample will + * be missed. + * Polling FIFO status register allow us to read new + * samples even if the interrupt arrives while processing + * previous data and the timeslot where the line is "low" is + * too short to be properly detected. + */ + do { + mutex_lock(&hw->fifo_lock); + len = hw->settings->fifo_ops.read_fifo(hw); + mutex_unlock(&hw->fifo_lock); + + if (len > 0) + fifo_len += len; + } while (len > 0); - return count ? IRQ_HANDLED : IRQ_NONE; + return fifo_len ? IRQ_HANDLED : IRQ_NONE; } static int st_lsm6dsx_buffer_preenable(struct iio_dev *iio_dev) diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index f697f3a1d46b..5dcc81b1df62 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -1400,6 +1400,8 @@ static int intel_irq_remapping_alloc(struct irq_domain *domain, irq_data = irq_domain_get_irq_data(domain, virq + i); irq_cfg = irqd_cfg(irq_data); if (!irq_data || !irq_cfg) { + if (!i) + kfree(data); ret = -EINVAL; goto out_free_data; } diff --git a/drivers/lightnvm/Kconfig b/drivers/lightnvm/Kconfig index 8f39f9ba5c80..4c2ce210c123 100644 --- a/drivers/lightnvm/Kconfig +++ b/drivers/lightnvm/Kconfig @@ -19,6 +19,7 @@ if NVM config NVM_PBLK tristate "Physical Block Device Open-Channel SSD target" + select CRC32 help Allows an open-channel SSD to be exposed as a block device to the host. The target assumes the device exposes raw flash and must be diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig index 17c166cc8482..e4d944770cca 100644 --- a/drivers/net/can/Kconfig +++ b/drivers/net/can/Kconfig @@ -123,6 +123,7 @@ config CAN_JANZ_ICAN3 config CAN_KVASER_PCIEFD depends on PCI tristate "Kvaser PCIe FD cards" + select CRC32 help This is a driver for the Kvaser PCI Express CAN FD family. diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index d2bb9a87eff9..8a842545e3f6 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -1868,8 +1868,6 @@ void m_can_class_unregister(struct m_can_classdev *m_can_dev) { unregister_candev(m_can_dev->net); - m_can_clk_stop(m_can_dev); - free_candev(m_can_dev->net); } EXPORT_SYMBOL_GPL(m_can_class_unregister); diff --git a/drivers/net/can/m_can/tcan4x5x.c b/drivers/net/can/m_can/tcan4x5x.c index 681bb861de05..1f8710b35c6d 100644 --- a/drivers/net/can/m_can/tcan4x5x.c +++ b/drivers/net/can/m_can/tcan4x5x.c @@ -126,30 +126,6 @@ struct tcan4x5x_priv { int reg_offset; }; -static struct can_bittiming_const tcan4x5x_bittiming_const = { - .name = DEVICE_NAME, - .tseg1_min = 2, - .tseg1_max = 31, - .tseg2_min = 2, - .tseg2_max = 16, - .sjw_max = 16, - .brp_min = 1, - .brp_max = 32, - .brp_inc = 1, -}; - -static struct can_bittiming_const tcan4x5x_data_bittiming_const = { - .name = DEVICE_NAME, - .tseg1_min = 1, - .tseg1_max = 32, - .tseg2_min = 1, - .tseg2_max = 16, - .sjw_max = 16, - .brp_min = 1, - .brp_max = 32, - .brp_inc = 1, -}; - static void tcan4x5x_check_wake(struct tcan4x5x_priv *priv) { int wake_state = 0; @@ -449,8 +425,6 @@ static int tcan4x5x_can_probe(struct spi_device *spi) mcan_class->dev = &spi->dev; mcan_class->ops = &tcan4x5x_ops; mcan_class->is_peripheral = true; - mcan_class->bit_timing = &tcan4x5x_bittiming_const; - mcan_class->data_timing = &tcan4x5x_data_bittiming_const; mcan_class->net->irq = spi->irq; spi_set_drvdata(spi, priv); diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c index 0d9b3fa7bd94..ee1e67df1e7b 100644 --- a/drivers/net/dsa/lantiq_gswip.c +++ b/drivers/net/dsa/lantiq_gswip.c @@ -1419,11 +1419,12 @@ static void gswip_phylink_validate(struct dsa_switch *ds, int port, phylink_set(mask, Pause); phylink_set(mask, Asym_Pause); - /* With the exclusion of MII and Reverse MII, we support Gigabit, - * including Half duplex + /* With the exclusion of MII, Reverse MII and Reduced MII, we + * support Gigabit, including Half duplex */ if (state->interface != PHY_INTERFACE_MODE_MII && - state->interface != PHY_INTERFACE_MODE_REVMII) { + state->interface != PHY_INTERFACE_MODE_REVMII && + state->interface != PHY_INTERFACE_MODE_RMII) { phylink_set(mask, 1000baseT_Full); phylink_set(mask, 1000baseT_Half); } diff --git a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h index f8a87f8ca983..148e53812d89 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h +++ b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h @@ -123,7 +123,7 @@ struct hclgevf_mbx_arq_ring { #define hclge_mbx_ring_ptr_move_crq(crq) \ (crq->next_to_use = (crq->next_to_use + 1) % crq->desc_num) #define hclge_mbx_tail_ptr_move_arq(arq) \ - (arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_SIZE) + (arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM) #define hclge_mbx_head_ptr_move_arq(arq) \ - (arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_SIZE) + (arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM) #endif diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 6c3d13110993..6887b7fda6e0 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -746,7 +746,8 @@ static int hclge_get_sset_count(struct hnae3_handle *handle, int stringset) handle->flags |= HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK; handle->flags |= HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK; - if (hdev->hw.mac.phydev) { + if (hdev->hw.mac.phydev && hdev->hw.mac.phydev->drv && + hdev->hw.mac.phydev->drv->set_loopback) { count += 1; handle->flags |= HNAE3_SUPPORT_PHY_LOOPBACK; } diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 8827ab4b4932..6988bbf2576f 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -4545,7 +4545,7 @@ static int mvpp2_port_init(struct mvpp2_port *port) struct mvpp2 *priv = port->priv; struct mvpp2_txq_pcpu *txq_pcpu; unsigned int thread; - int queue, err; + int queue, err, val; /* Checks for hardware constraints */ if (port->first_rxq + port->nrxqs > @@ -4559,6 +4559,18 @@ static int mvpp2_port_init(struct mvpp2_port *port) mvpp2_egress_disable(port); mvpp2_port_disable(port); + if (mvpp2_is_xlg(port->phy_interface)) { + val = readl(port->base + MVPP22_XLG_CTRL0_REG); + val &= ~MVPP22_XLG_CTRL0_FORCE_LINK_PASS; + val |= MVPP22_XLG_CTRL0_FORCE_LINK_DOWN; + writel(val, port->base + MVPP22_XLG_CTRL0_REG); + } else { + val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG); + val &= ~MVPP2_GMAC_FORCE_LINK_PASS; + val |= MVPP2_GMAC_FORCE_LINK_DOWN; + writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG); + } + port->tx_time_coal = MVPP2_TXDONE_COAL_USEC; port->txqs = devm_kcalloc(dev, port->ntxqs, sizeof(*port->txqs), diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c index 6d55e3d0b7ea..54e9f6dc24ea 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c @@ -725,8 +725,10 @@ static int cgx_lmac_init(struct cgx *cgx) if (!lmac) return -ENOMEM; lmac->name = kcalloc(1, sizeof("cgx_fwi_xxx_yyy"), GFP_KERNEL); - if (!lmac->name) - return -ENOMEM; + if (!lmac->name) { + err = -ENOMEM; + goto err_lmac_free; + } sprintf(lmac->name, "cgx_fwi_%d_%d", cgx->cgx_id, i); lmac->lmac_id = i; lmac->cgx = cgx; @@ -737,7 +739,7 @@ static int cgx_lmac_init(struct cgx *cgx) CGX_LMAC_FWI + i * 9), cgx_fwi_event_handler, 0, lmac->name, lmac); if (err) - return err; + goto err_irq; /* Enable interrupt */ cgx_write(cgx, lmac->lmac_id, CGXX_CMRX_INT_ENA_W1S, @@ -748,6 +750,12 @@ static int cgx_lmac_init(struct cgx *cgx) } return cgx_lmac_verify_fwi_version(cgx); + +err_irq: + kfree(lmac->name); +err_lmac_free: + kfree(lmac); + return err; } static int cgx_lmac_exit(struct cgx *cgx) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index 8cd529556b21..01089c2283d7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -976,6 +976,22 @@ static int mlx5e_get_link_ksettings(struct net_device *netdev, return mlx5e_ethtool_get_link_ksettings(priv, link_ksettings); } +static int mlx5e_speed_validate(struct net_device *netdev, bool ext, + const unsigned long link_modes, u8 autoneg) +{ + /* Extended link-mode has no speed limitations. */ + if (ext) + return 0; + + if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) && + autoneg != AUTONEG_ENABLE) { + netdev_err(netdev, "%s: 56G link speed requires autoneg enabled\n", + __func__); + return -EINVAL; + } + return 0; +} + static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes) { u32 i, ptys_modes = 0; @@ -1068,13 +1084,9 @@ int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv, link_modes = autoneg == AUTONEG_ENABLE ? ethtool2ptys_adver_func(adver) : mlx5e_port_speed2linkmodes(mdev, speed, !ext); - if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) && - autoneg != AUTONEG_ENABLE) { - netdev_err(priv->netdev, "%s: 56G link speed requires autoneg enabled\n", - __func__); - err = -EINVAL; + err = mlx5e_speed_validate(priv->netdev, ext, link_modes, autoneg); + if (err) goto out; - } link_modes = link_modes & eproto.cap; if (!link_modes) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c index 713dc210f710..c4ac7a9968d1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c @@ -927,6 +927,7 @@ static int mlx5e_create_ttc_table_groups(struct mlx5e_ttc_table *ttc, in = kvzalloc(inlen, GFP_KERNEL); if (!in) { kfree(ft->g); + ft->g = NULL; return -ENOMEM; } @@ -1067,6 +1068,7 @@ static int mlx5e_create_inner_ttc_table_groups(struct mlx5e_ttc_table *ttc) in = kvzalloc(inlen, GFP_KERNEL); if (!in) { kfree(ft->g); + ft->g = NULL; return -ENOMEM; } @@ -1346,6 +1348,7 @@ static int mlx5e_create_l2_table_groups(struct mlx5e_l2_table *l2_table) ft->g[ft->num_groups] = NULL; mlx5e_destroy_groups(ft); kvfree(in); + kfree(ft->g); return err; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/rdma.c b/drivers/net/ethernet/mellanox/mlx5/core/rdma.c index 0fc7de4aa572..8e0dddc6383f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/rdma.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/rdma.c @@ -116,7 +116,7 @@ static int mlx5_rdma_enable_roce_steering(struct mlx5_core_dev *dev) static void mlx5_rdma_del_roce_addr(struct mlx5_core_dev *dev) { mlx5_core_roce_gid_set(dev, 0, 0, 0, - NULL, NULL, false, 0, 0); + NULL, NULL, false, 0, 1); } static void mlx5_rdma_make_default_gid(struct mlx5_core_dev *dev, union ib_gid *gid) diff --git a/drivers/net/ethernet/natsemi/macsonic.c b/drivers/net/ethernet/natsemi/macsonic.c index 0937fc2a928e..23c9394cd5d2 100644 --- a/drivers/net/ethernet/natsemi/macsonic.c +++ b/drivers/net/ethernet/natsemi/macsonic.c @@ -540,10 +540,14 @@ static int mac_sonic_platform_probe(struct platform_device *pdev) err = register_netdev(dev); if (err) - goto out; + goto undo_probe; return 0; +undo_probe: + dma_free_coherent(lp->device, + SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), + lp->descriptors, lp->descriptors_laddr); out: free_netdev(dev); @@ -618,12 +622,16 @@ static int mac_sonic_nubus_probe(struct nubus_board *board) err = register_netdev(ndev); if (err) - goto out; + goto undo_probe; nubus_set_drvdata(board, ndev); return 0; +undo_probe: + dma_free_coherent(lp->device, + SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), + lp->descriptors, lp->descriptors_laddr); out: free_netdev(ndev); return err; diff --git a/drivers/net/ethernet/natsemi/xtsonic.c b/drivers/net/ethernet/natsemi/xtsonic.c index e1b886e87a76..44171d7bb434 100644 --- a/drivers/net/ethernet/natsemi/xtsonic.c +++ b/drivers/net/ethernet/natsemi/xtsonic.c @@ -265,11 +265,14 @@ int xtsonic_probe(struct platform_device *pdev) sonic_msg_init(dev); if ((err = register_netdev(dev))) - goto out1; + goto undo_probe1; return 0; -out1: +undo_probe1: + dma_free_coherent(lp->device, + SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), + lp->descriptors, lp->descriptors_laddr); release_region(dev->base_addr, SONIC_MEM_SIZE); out: free_netdev(dev); diff --git a/drivers/net/ethernet/qlogic/Kconfig b/drivers/net/ethernet/qlogic/Kconfig index 55a29ec76680..58eac2471d53 100644 --- a/drivers/net/ethernet/qlogic/Kconfig +++ b/drivers/net/ethernet/qlogic/Kconfig @@ -78,6 +78,7 @@ config QED depends on PCI select ZLIB_INFLATE select CRC8 + select CRC32 select NET_DEVLINK ---help--- This enables the support for ... diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c index e9e0867ec139..c4c9cbdeb601 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c @@ -64,6 +64,7 @@ struct emac_variant { * @variant: reference to the current board variant * @regmap: regmap for using the syscon * @internal_phy_powered: Does the internal PHY is enabled + * @use_internal_phy: Is the internal PHY selected for use * @mux_handle: Internal pointer used by mdio-mux lib */ struct sunxi_priv_data { @@ -74,6 +75,7 @@ struct sunxi_priv_data { const struct emac_variant *variant; struct regmap_field *regmap_field; bool internal_phy_powered; + bool use_internal_phy; void *mux_handle; }; @@ -523,8 +525,11 @@ static const struct stmmac_dma_ops sun8i_dwmac_dma_ops = { .dma_interrupt = sun8i_dwmac_dma_interrupt, }; +static int sun8i_dwmac_power_internal_phy(struct stmmac_priv *priv); + static int sun8i_dwmac_init(struct platform_device *pdev, void *priv) { + struct net_device *ndev = platform_get_drvdata(pdev); struct sunxi_priv_data *gmac = priv; int ret; @@ -538,13 +543,25 @@ static int sun8i_dwmac_init(struct platform_device *pdev, void *priv) ret = clk_prepare_enable(gmac->tx_clk); if (ret) { - if (gmac->regulator) - regulator_disable(gmac->regulator); dev_err(&pdev->dev, "Could not enable AHB clock\n"); - return ret; + goto err_disable_regulator; + } + + if (gmac->use_internal_phy) { + ret = sun8i_dwmac_power_internal_phy(netdev_priv(ndev)); + if (ret) + goto err_disable_clk; } return 0; + +err_disable_clk: + clk_disable_unprepare(gmac->tx_clk); +err_disable_regulator: + if (gmac->regulator) + regulator_disable(gmac->regulator); + + return ret; } static void sun8i_dwmac_core_init(struct mac_device_info *hw, @@ -815,7 +832,6 @@ static int mdio_mux_syscon_switch_fn(int current_child, int desired_child, struct sunxi_priv_data *gmac = priv->plat->bsp_priv; u32 reg, val; int ret = 0; - bool need_power_ephy = false; if (current_child ^ desired_child) { regmap_field_read(gmac->regmap_field, ®); @@ -823,13 +839,12 @@ static int mdio_mux_syscon_switch_fn(int current_child, int desired_child, case DWMAC_SUN8I_MDIO_MUX_INTERNAL_ID: dev_info(priv->device, "Switch mux to internal PHY"); val = (reg & ~H3_EPHY_MUX_MASK) | H3_EPHY_SELECT; - - need_power_ephy = true; + gmac->use_internal_phy = true; break; case DWMAC_SUN8I_MDIO_MUX_EXTERNAL_ID: dev_info(priv->device, "Switch mux to external PHY"); val = (reg & ~H3_EPHY_MUX_MASK) | H3_EPHY_SHUTDOWN; - need_power_ephy = false; + gmac->use_internal_phy = false; break; default: dev_err(priv->device, "Invalid child ID %x\n", @@ -837,7 +852,7 @@ static int mdio_mux_syscon_switch_fn(int current_child, int desired_child, return -EINVAL; } regmap_field_write(gmac->regmap_field, val); - if (need_power_ephy) { + if (gmac->use_internal_phy) { ret = sun8i_dwmac_power_internal_phy(priv); if (ret) return ret; @@ -988,17 +1003,12 @@ static void sun8i_dwmac_exit(struct platform_device *pdev, void *priv) struct sunxi_priv_data *gmac = priv; if (gmac->variant->soc_has_internal_phy) { - /* sun8i_dwmac_exit could be called with mdiomux uninit */ - if (gmac->mux_handle) - mdio_mux_uninit(gmac->mux_handle); if (gmac->internal_phy_powered) sun8i_dwmac_unpower_internal_phy(gmac); } sun8i_dwmac_unset_syscon(gmac); - reset_control_put(gmac->rst_ephy); - clk_disable_unprepare(gmac->tx_clk); if (gmac->regulator) @@ -1227,12 +1237,32 @@ static int sun8i_dwmac_probe(struct platform_device *pdev) return ret; dwmac_mux: + reset_control_put(gmac->rst_ephy); + clk_put(gmac->ephy_clk); sun8i_dwmac_unset_syscon(gmac); dwmac_exit: stmmac_pltfr_remove(pdev); return ret; } +static int sun8i_dwmac_remove(struct platform_device *pdev) +{ + struct net_device *ndev = platform_get_drvdata(pdev); + struct stmmac_priv *priv = netdev_priv(ndev); + struct sunxi_priv_data *gmac = priv->plat->bsp_priv; + + if (gmac->variant->soc_has_internal_phy) { + mdio_mux_uninit(gmac->mux_handle); + sun8i_dwmac_unpower_internal_phy(gmac); + reset_control_put(gmac->rst_ephy); + clk_put(gmac->ephy_clk); + } + + stmmac_pltfr_remove(pdev); + + return 0; +} + static const struct of_device_id sun8i_dwmac_match[] = { { .compatible = "allwinner,sun8i-h3-emac", .data = &emac_variant_h3 }, @@ -1252,7 +1282,7 @@ MODULE_DEVICE_TABLE(of, sun8i_dwmac_match); static struct platform_driver sun8i_dwmac_driver = { .probe = sun8i_dwmac_probe, - .remove = stmmac_pltfr_remove, + .remove = sun8i_dwmac_remove, .driver = { .name = "dwmac-sun8i", .pm = &stmmac_pltfr_pm_ops, diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index d407489cec90..cbe7f35eac98 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -1126,7 +1126,10 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) * accordingly. Otherwise, we should check here. */ if (ctx->drvflags & CDC_NCM_FLAG_NDP_TO_END) - delayed_ndp_size = ALIGN(ctx->max_ndp_size, ctx->tx_ndp_modulus); + delayed_ndp_size = ctx->max_ndp_size + + max_t(u32, + ctx->tx_ndp_modulus, + ctx->tx_modulus + ctx->tx_remainder) - 1; else delayed_ndp_size = 0; @@ -1307,7 +1310,8 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) if (!(dev->driver_info->flags & FLAG_SEND_ZLP) && skb_out->len > ctx->min_tx_pkt) { padding_count = ctx->tx_curr_size - skb_out->len; - skb_put_zero(skb_out, padding_count); + if (!WARN_ON(padding_count > ctx->tx_curr_size)) + skb_put_zero(skb_out, padding_count); } else if (skb_out->len < ctx->tx_curr_size && (skb_out->len % dev->maxpacket) == 0) { skb_put_u8(skb_out, 0); /* force short packet */ diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig index 058d77d2e693..0d6e1829e0ac 100644 --- a/drivers/net/wan/Kconfig +++ b/drivers/net/wan/Kconfig @@ -282,6 +282,7 @@ config SLIC_DS26522 tristate "Slic Maxim ds26522 card support" depends on SPI depends on FSL_SOC || ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST + select BITREVERSE help This module initializes and configures the slic maxim card in T1 or E1 mode. diff --git a/drivers/net/wireless/ath/wil6210/Kconfig b/drivers/net/wireless/ath/wil6210/Kconfig index 0d1a8dab30ed..32e1c036f3ac 100644 --- a/drivers/net/wireless/ath/wil6210/Kconfig +++ b/drivers/net/wireless/ath/wil6210/Kconfig @@ -2,6 +2,7 @@ config WIL6210 tristate "Wilocity 60g WiFi card wil6210 support" select WANT_DEV_COREDUMP + select CRC32 depends on CFG80211 depends on PCI default n diff --git a/drivers/regulator/qcom-rpmh-regulator.c b/drivers/regulator/qcom-rpmh-regulator.c index f11e4bfbc91b..a47f87b8373d 100644 --- a/drivers/regulator/qcom-rpmh-regulator.c +++ b/drivers/regulator/qcom-rpmh-regulator.c @@ -726,7 +726,7 @@ static const struct rpmh_vreg_hw_data pmic5_ftsmps510 = { static const struct rpmh_vreg_hw_data pmic5_hfsmps515 = { .regulator_type = VRM, .ops = &rpmh_regulator_vrm_ops, - .voltage_range = REGULATOR_LINEAR_RANGE(2800000, 0, 4, 1600), + .voltage_range = REGULATOR_LINEAR_RANGE(2800000, 0, 4, 16000), .n_voltages = 5, .pmic_mode_map = pmic_mode_map_pmic5_smps, .of_map_mode = rpmh_regulator_pmic4_smps_of_map_mode, diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index a1c23e998f97..8dee16aca421 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2114,7 +2114,7 @@ static netdev_features_t qeth_l3_osa_features_check(struct sk_buff *skb, struct net_device *dev, netdev_features_t features) { - if (qeth_get_ip_version(skb) != 4) + if (vlan_get_protocol(skb) != htons(ETH_P_IP)) features &= ~NETIF_F_HW_VLAN_CTAG_TX; return qeth_features_check(skb, dev, features); } diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index ed20ad295088..77ddf23b65d6 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -494,9 +494,9 @@ static u32 stm32h7_spi_prepare_fthlv(struct stm32_spi *spi, u32 xfer_len) /* align packet size with data registers access */ if (spi->cur_bpw > 8) - fthlv -= (fthlv % 2); /* multiple of 2 */ + fthlv += (fthlv % 2) ? 1 : 0; else - fthlv -= (fthlv % 4); /* multiple of 4 */ + fthlv += (fthlv % 4) ? (4 - (fthlv % 4)) : 0; if (!fthlv) fthlv = 1; diff --git a/drivers/staging/exfat/exfat_super.c b/drivers/staging/exfat/exfat_super.c index 58c7d66060f7..dd12777b9a78 100644 --- a/drivers/staging/exfat/exfat_super.c +++ b/drivers/staging/exfat/exfat_super.c @@ -59,7 +59,7 @@ static void exfat_write_super(struct super_block *sb); /* Convert a FAT time/date pair to a UNIX date (seconds since 1 1 70). */ static void exfat_time_fat2unix(struct timespec64 *ts, struct date_time_t *tp) { - ts->tv_sec = mktime64(tp->Year + 1980, tp->Month + 1, tp->Day, + ts->tv_sec = mktime64(tp->Year + 1980, tp->Month, tp->Day, tp->Hour, tp->Minute, tp->Second); ts->tv_nsec = tp->MilliSecond * NSEC_PER_MSEC; diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index 3b31e83a9215..bc6ba41686fa 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -2303,6 +2303,24 @@ static int vfio_iommu_iova_build_caps(struct vfio_iommu *iommu, return ret; } +static int vfio_iommu_dma_avail_build_caps(struct vfio_iommu *iommu, + struct vfio_info_cap *caps) +{ + struct vfio_iommu_type1_info_dma_avail cap_dma_avail; + int ret; + + mutex_lock(&iommu->lock); + cap_dma_avail.header.id = VFIO_IOMMU_TYPE1_INFO_DMA_AVAIL; + cap_dma_avail.header.version = 1; + + cap_dma_avail.avail = iommu->dma_avail; + + ret = vfio_info_add_capability(caps, &cap_dma_avail.header, + sizeof(cap_dma_avail)); + mutex_unlock(&iommu->lock); + return ret; +} + static long vfio_iommu_type1_ioctl(void *iommu_data, unsigned int cmd, unsigned long arg) { @@ -2349,6 +2367,10 @@ static long vfio_iommu_type1_ioctl(void *iommu_data, info.iova_pgsizes = vfio_pgsize_bitmap(iommu); ret = vfio_iommu_iova_build_caps(iommu, &caps); + + if (!ret) + ret = vfio_iommu_dma_avail_build_caps(iommu, &caps); + if (ret) return ret; diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index e5e242587595..130f16cc0b86 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -520,7 +520,10 @@ */ #define TEXT_TEXT \ ALIGN_FUNCTION(); \ - *(.text.hot TEXT_MAIN .text.fixup .text.unlikely) \ + *(.text.hot .text.hot.*) \ + *(TEXT_MAIN .text.fixup) \ + *(.text.unlikely .text.unlikely.*) \ + *(.text.unknown .text.unknown.*) \ *(.text..refcount) \ *(.ref.text) \ MEM_KEEP(init.text*) \ diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h index 9e843a147ead..cabc93118f9c 100644 --- a/include/uapi/linux/vfio.h +++ b/include/uapi/linux/vfio.h @@ -748,6 +748,21 @@ struct vfio_iommu_type1_info_cap_iova_range { struct vfio_iova_range iova_ranges[]; }; +/* + * The DMA available capability allows to report the current number of + * simultaneously outstanding DMA mappings that are allowed. + * + * The structure below defines version 1 of this capability. + * + * avail: specifies the current number of outstanding DMA mappings allowed. + */ +#define VFIO_IOMMU_TYPE1_INFO_DMA_AVAIL 3 + +struct vfio_iommu_type1_info_dma_avail { + struct vfio_info_cap_header header; + __u32 avail; +}; + #define VFIO_IOMMU_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12) /** diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index d4bcfd8f95bf..3f47abf9ef4a 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -280,7 +280,8 @@ static int register_vlan_device(struct net_device *real_dev, u16 vlan_id) return 0; out_free_newdev: - if (new_dev->reg_state == NETREG_UNINITIALIZED) + if (new_dev->reg_state == NETREG_UNINITIALIZED || + new_dev->reg_state == NETREG_UNREGISTERED) free_netdev(new_dev); return err; } diff --git a/net/core/skbuff.c b/net/core/skbuff.c index a0486dcf5425..49d923c227a2 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2017,6 +2017,12 @@ int pskb_trim_rcsum_slow(struct sk_buff *skb, unsigned int len) skb->csum = csum_block_sub(skb->csum, skb_checksum(skb, len, delta, 0), len); + } else if (skb->ip_summed == CHECKSUM_PARTIAL) { + int hdlen = (len > skb_headlen(skb)) ? skb_headlen(skb) : len; + int offset = skb_checksum_start_offset(skb) + skb->csum_offset; + + if (offset + sizeof(__sum16) > hdlen) + return -EINVAL; } return __pskb_trim(skb, len); } diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 079dcf9f0c56..7a394479dd56 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -303,7 +303,7 @@ static int __ip_finish_output(struct net *net, struct sock *sk, struct sk_buff * if (skb_is_gso(skb)) return ip_finish_output_gso(net, sk, skb, mtu); - if (skb->len > mtu || (IPCB(skb)->flags & IPSKB_FRAG_PMTU)) + if (skb->len > mtu || IPCB(skb)->frag_max_size) return ip_fragment(net, sk, skb, mtu, ip_finish_output2); return ip_finish_output2(net, sk, skb); diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index f61c5a0b502a..ca525cf681a4 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -765,8 +765,11 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, goto tx_error; } - if (tnl_update_pmtu(dev, skb, rt, tnl_params->frag_off, inner_iph, - 0, 0, false)) { + df = tnl_params->frag_off; + if (skb->protocol == htons(ETH_P_IP) && !tunnel->ignore_df) + df |= (inner_iph->frag_off & htons(IP_DF)); + + if (tnl_update_pmtu(dev, skb, rt, df, inner_iph, 0, 0, false)) { ip_rt_put(rt); goto tx_error; } @@ -794,10 +797,6 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, ttl = ip4_dst_hoplimit(&rt->dst); } - df = tnl_params->frag_off; - if (skb->protocol == htons(ETH_P_IP) && !tunnel->ignore_df) - df |= (inner_iph->frag_off&htons(IP_DF)); - max_headroom = LL_RESERVED_SPACE(rt->dst.dev) + sizeof(struct iphdr) + rt->dst.header_len + ip_encap_hlen(&tunnel->encap); if (max_headroom > dev->needed_headroom) diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c index ea32b113089d..c2b7d43d92b0 100644 --- a/net/ipv4/nexthop.c +++ b/net/ipv4/nexthop.c @@ -1157,8 +1157,10 @@ static struct nexthop *nexthop_create_group(struct net *net, return nh; out_no_nh: - for (; i >= 0; --i) + for (i--; i >= 0; --i) { + list_del(&nhg->nh_entries[i].nh_list); nexthop_put(nhg->nh_entries[i].nh); + } kfree(nhg->spare); kfree(nhg); diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 0646fce31b67..906ac5e6d96c 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -973,6 +973,8 @@ static void fib6_purge_rt(struct fib6_info *rt, struct fib6_node *fn, { struct fib6_table *table = rt->fib6_table; + /* Flush all cached dst in exception table */ + rt6_flush_exceptions(rt); fib6_drop_pcpu_from(rt, table); if (rt->nh && !list_empty(&rt->nh_list)) @@ -1839,9 +1841,6 @@ static void fib6_del_route(struct fib6_table *table, struct fib6_node *fn, net->ipv6.rt6_stats->fib_rt_entries--; net->ipv6.rt6_stats->fib_discarded_routes++; - /* Flush all cached dst in exception table */ - rt6_flush_exceptions(rt); - /* Reset round-robin state, if necessary */ if (rcu_access_pointer(fn->rr_ptr) == rt) fn->rr_ptr = NULL; diff --git a/tools/bpf/bpftool/net.c b/tools/bpf/bpftool/net.c index bb311ccc6c48..c6787a1daa48 100644 --- a/tools/bpf/bpftool/net.c +++ b/tools/bpf/bpftool/net.c @@ -9,7 +9,6 @@ #include <unistd.h> #include <libbpf.h> #include <net/if.h> -#include <linux/if.h> #include <linux/rtnetlink.h> #include <linux/tc_act/tc_bpf.h> #include <sys/socket.h> diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh index 71a62e7e35b1..3429767cadcd 100755 --- a/tools/testing/selftests/net/pmtu.sh +++ b/tools/testing/selftests/net/pmtu.sh @@ -119,7 +119,15 @@ # - list_flush_ipv6_exception # Using the same topology as in pmtu_ipv6, create exceptions, and check # they are shown when listing exception caches, gone after flushing them - +# +# - pmtu_ipv4_route_change +# Use the same topology as in pmtu_ipv4, but issue a route replacement +# command and delete the corresponding device afterward. This tests for +# proper cleanup of the PMTU exceptions by the route replacement path. +# Device unregistration should complete successfully +# +# - pmtu_ipv6_route_change +# Same as above but with IPv6 # Kselftest framework requirement - SKIP code is 4. ksft_skip=4 @@ -161,7 +169,9 @@ tests=" cleanup_ipv4_exception ipv4: cleanup of cached exceptions 1 cleanup_ipv6_exception ipv6: cleanup of cached exceptions 1 list_flush_ipv4_exception ipv4: list and flush cached exceptions 1 - list_flush_ipv6_exception ipv6: list and flush cached exceptions 1" + list_flush_ipv6_exception ipv6: list and flush cached exceptions 1 + pmtu_ipv4_route_change ipv4: PMTU exception w/route replace 1 + pmtu_ipv6_route_change ipv6: PMTU exception w/route replace 1" NS_A="ns-A" NS_B="ns-B" @@ -1316,6 +1326,63 @@ test_list_flush_ipv6_exception() { return ${fail} } +test_pmtu_ipvX_route_change() { + family=${1} + + setup namespaces routing || return 2 + trace "${ns_a}" veth_A-R1 "${ns_r1}" veth_R1-A \ + "${ns_r1}" veth_R1-B "${ns_b}" veth_B-R1 \ + "${ns_a}" veth_A-R2 "${ns_r2}" veth_R2-A \ + "${ns_r2}" veth_R2-B "${ns_b}" veth_B-R2 + + if [ ${family} -eq 4 ]; then + ping=ping + dst1="${prefix4}.${b_r1}.1" + dst2="${prefix4}.${b_r2}.1" + gw="${prefix4}.${a_r1}.2" + else + ping=${ping6} + dst1="${prefix6}:${b_r1}::1" + dst2="${prefix6}:${b_r2}::1" + gw="${prefix6}:${a_r1}::2" + fi + + # Set up initial MTU values + mtu "${ns_a}" veth_A-R1 2000 + mtu "${ns_r1}" veth_R1-A 2000 + mtu "${ns_r1}" veth_R1-B 1400 + mtu "${ns_b}" veth_B-R1 1400 + + mtu "${ns_a}" veth_A-R2 2000 + mtu "${ns_r2}" veth_R2-A 2000 + mtu "${ns_r2}" veth_R2-B 1500 + mtu "${ns_b}" veth_B-R2 1500 + + # Create route exceptions + run_cmd ${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s 1800 ${dst1} + run_cmd ${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s 1800 ${dst2} + + # Check that exceptions have been created with the correct PMTU + pmtu_1="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst1})" + check_pmtu_value "1400" "${pmtu_1}" "exceeding MTU" || return 1 + pmtu_2="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst2})" + check_pmtu_value "1500" "${pmtu_2}" "exceeding MTU" || return 1 + + # Replace the route from A to R1 + run_cmd ${ns_a} ip route change default via ${gw} + + # Delete the device in A + run_cmd ${ns_a} ip link del "veth_A-R1" +} + +test_pmtu_ipv4_route_change() { + test_pmtu_ipvX_route_change 4 +} + +test_pmtu_ipv6_route_change() { + test_pmtu_ipvX_route_change 6 +} + usage() { echo echo "$0 [OPTIONS] [TEST]..."