diff options
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; |