Rework scsi_internal_device_unblock_nowait() into using a
switch statement.
No functional changes.
Signed-off-by: Hannes Reinecke <hare@xxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
---
drivers/scsi/scsi_lib.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 1ae531b..9169396 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -3074,19 +3074,24 @@ int scsi_internal_device_unblock_nowait(struct scsi_device *sdev,
* Try to transition the scsi device to SDEV_RUNNING or one of the
* offlined states and goose the device queue if successful.
*/
- if ((sdev->sdev_state == SDEV_BLOCK) ||
- (sdev->sdev_state == SDEV_TRANSPORT_OFFLINE))
+ switch (sdev->sdev_state) {
+ case SDEV_BLOCK:
+ case SDEV_TRANSPORT_OFFLINE:
sdev->sdev_state = new_state;
- else if (sdev->sdev_state == SDEV_CREATED_BLOCK) {
+ break;
+ case SDEV_CREATED_BLOCK:
if (new_state == SDEV_TRANSPORT_OFFLINE ||
new_state == SDEV_OFFLINE)
sdev->sdev_state = new_state;
else
sdev->sdev_state = SDEV_CREATED;
- } else if (sdev->sdev_state != SDEV_CANCEL &&
- sdev->sdev_state != SDEV_OFFLINE)
+ break;
+ case SDEV_CANCEL:
+ case SDEV_OFFLINE:
+ break;
+ default:
return -EINVAL;
-
+ }
scsi_start_queue(sdev);
return 0;
--
1.8.5.6
