On Fri, Aug 18, 2023 at 04:23:15PM +0800, Guoqing Jiang wrote: > Hi, > > The first one fix below calltrace which could happen if siw_connect > goto error (I manually set rv to -1 after siw_send_mpareqrep to trigger > it) after cep is allocated. > > [ 97.341035] ------------[ cut here ]------------ > [ 97.341037] WARNING: CPU: 0 PID: 143 at drivers/infiniband/sw/siw/siw_cm.c:444 siw_cep_put+0x1c5/0x1e0 [siw] > ... > [ 97.341126] CPU: 0 PID: 143 Comm: kworker/u4:4 Tainted: G OE 6.5.0-rc3+ #16 > [ 97.341128] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.0-0-gd239552c-rebuilt.opensuse.org 04/01/2014 > [ 97.341130] Workqueue: rdma_cm cma_work_handler [rdma_cm] > [ 97.341137] RIP: 0010:siw_cep_put+0x1c5/0x1e0 [siw] > ... > [ 97.341159] Call Trace: > [ 97.341160] <TASK> > [ 97.341162] ? show_regs+0x72/0x90 > [ 97.341166] ? siw_cep_put+0x1c5/0x1e0 [siw] > [ 97.341170] ? __warn+0x8d/0x1a0 > [ 97.341175] ? siw_cep_put+0x1c5/0x1e0 [siw] > [ 97.341180] ? report_bug+0x1f9/0x250 > [ 97.341185] ? handle_bug+0x46/0x90 > [ 97.341188] ? exc_invalid_op+0x19/0x80 > [ 97.341190] ? asm_exc_invalid_op+0x1b/0x20 > [ 97.341196] ? siw_cep_put+0x1c5/0x1e0 [siw] > [ 97.341204] siw_connect+0x474/0x780 [siw] > [ 97.341211] iw_cm_connect+0x1ca/0x250 [iw_cm] > [ 97.341216] rdma_connect_locked+0x1bf/0x940 [rdma_cm] > [ 97.341227] nvme_rdma_cm_handler+0x5d7/0x9c0 [nvme_rdma] > [ 97.341235] cma_cm_event_handler+0x4f/0x170 [rdma_cm] > [ 97.341241] cma_work_handler+0x6a/0xe0 [rdma_cm] > [ 97.341247] process_one_work+0x2bd/0x590 > ... > > The second one make the debug message consistent with the condition, > and the last one cleanup code a bit. Pls help to review them. > > Thanks, > Guoqing > > Guoqing Jiang (3): > RDMA/siw: Balance the reference of cep->kref in the error path > RDMA/siw: Correct wrong debug message > RDMA/siw: Call llist_reverse_order in siw_run_sq All of these patches need to be with Fixes lines. Thanks > > drivers/infiniband/sw/siw/siw_cm.c | 1 - > drivers/infiniband/sw/siw/siw_qp_tx.c | 12 +----------- > drivers/infiniband/sw/siw/siw_verbs.c | 2 +- > 3 files changed, 2 insertions(+), 13 deletions(-) > > -- > 2.35.3 >
