On Sun, 13 Nov 2022 14:45:13 +0800, Shang XiaoJing wrote:
> ipr_init() will not call unregister_reboot_notifier() when
> pci_register_driver() failed, which causes the WARNING. Call
> unregister_reboot_notifier() when pci_register_driver() failed.
>
> notifier callback ipr_halt [ipr] already registered
> WARNING: CPU: 3 PID: 299 at kernel/notifier.c:29
> notifier_chain_register+0x16d/0x230
> Modules linked in: ipr(+) xhci_pci_renesas xhci_hcd ehci_hcd usbcore
> led_class gpu_sched drm_buddy video wmi drm_ttm_helper ttm
> drm_display_helper drm_kms_helper drm drm_panel_orientation_quirks
> agpgart cfbft
> CPU: 3 PID: 299 Comm: modprobe Tainted: G W
> 6.1.0-rc1-00190-g39508d23b672-dirty #332
> Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
> rel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org 04/01/2014
> RIP: 0010:notifier_chain_register+0x16d/0x230
> Call Trace:
> <TASK>
> __blocking_notifier_chain_register+0x73/0xb0
> ipr_init+0x30/0x1000 [ipr]
> do_one_initcall+0xdb/0x480
> do_init_module+0x1cf/0x680
> load_module+0x6a50/0x70a0
> __do_sys_finit_module+0x12f/0x1c0
> do_syscall_64+0x3f/0x90
> entry_SYSCALL_64_after_hwframe+0x63/0xcd
>
> [...]
Applied to 6.2/scsi-queue, thanks!
[1/1] scsi: ipr: Fix WARNING in ipr_init()
https://git.kernel.org/mkp/scsi/c/e6f108bffc37
--
Martin K. Petersen Oracle Linux Engineering
