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scsi: smartpqi: Fix rmmod stack trace 

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@brunhilda.pdev.net
Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microchip.com>
Signed-off-by: Don Brace <don.brace@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Don Brace 2022-02-01 15:47:53 -06:00 committed by Martin K. Petersen
parent d20b3dae63
commit c4ff687d25
1 changed files with 2 additions and 4 deletions
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6
drivers/scsi/smartpqi/smartpqi_init.c
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@ -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)