From: Don Brace <don.brace@xxxxxxxxxxxxx> [ Upstream commit c4ff687d25c05919382a759503bd3821689f4e2f ] Prevent "BUG: scheduling while atomic: rmmod" stack trace. Stop setting spin_locks before calling OS functions to remove devices. Link: https://lore.kernel.org/r/164375207296.440833.4996145011193819683.stgit@xxxxxxxxxxxxxxxxxx Reviewed-by: Scott Benesh <scott.benesh@xxxxxxxxxxxxx> Reviewed-by: Scott Teel <scott.teel@xxxxxxxxxxxxx> Reviewed-by: Kevin Barnett <kevin.barnett@xxxxxxxxxxxxx> Signed-off-by: Don Brace <don.brace@xxxxxxxxxxxxx> Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/scsi/smartpqi/smartpqi_init.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index f0897d587454..2db9f874cc51 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -2513,17 +2513,15 @@ static void pqi_remove_all_scsi_devices(struct pqi_ctrl_info *ctrl_info) struct pqi_scsi_dev *device; struct pqi_scsi_dev *next; - spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); - list_for_each_entry_safe(device, next, &ctrl_info->scsi_device_list, scsi_device_list_entry) { if (pqi_is_device_added(device)) pqi_remove_device(ctrl_info, device); + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); list_del(&device->scsi_device_list_entry); pqi_free_device(device); + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); } - - spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); } static int pqi_scan_scsi_devices(struct pqi_ctrl_info *ctrl_info) -- 2.34.1
