diff options
| author | Hannes Reinecke <hare@suse.de> | 2017-08-11 09:53:46 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-08-25 05:28:53 +0300 |
| commit | 8cd1ec78ca15f1016f6c3c683c21b3383b5cb966 (patch) | |
| tree | 788fdf9ddc41aa2bd9278dc204798849bcf2f681 /drivers/scsi/scsi_lib.c | |
| parent | fe083323bb7ee56b69dacdd2e5d8469be95a8f12 (diff) | |
| download | linux-8cd1ec78ca15f1016f6c3c683c21b3383b5cb966.tar.xz | |
scsi: scsi_lib: rework scsi_internal_device_unblock_nowait()
Rework scsi_internal_device_unblock_nowait() into using a switch
statement. No functional changes.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/scsi_lib.c')
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index f6097b89d5d3..4a295a630848 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -3073,19 +3073,24 @@ 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; |