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| author | Bart Van Assche <bvanassche@acm.org> | 2021-04-15 15:08:22 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-04-15 22:44:41 -0400 |
| commit | 41e70e3006f63b89ae3b0d49557ac9f620bac524 (patch) | |
| tree | 4551ce6d7166861e42d4adc3cb23b30406cf50e6 /drivers/scsi | |
| parent | 22dc227e8f0e913d86552f5714fccb0e622ec650 (diff) | |
| download | linux-41e70e3006f63b89ae3b0d49557ac9f620bac524.tar.gz linux-41e70e3006f63b89ae3b0d49557ac9f620bac524.tar.bz2 linux-41e70e3006f63b89ae3b0d49557ac9f620bac524.zip | |
scsi: sd: Introduce a new local variable in sd_check_events()
Instead of using 'retval' to represent first a SCSI status and later
whether or not a disk change event occurred, introduce a new variable for
the latter purpose.
Link: https://lore.kernel.org/r/20210415220826.29438-17-bvanassche@acm.org
Cc: Christoph Hellwig <hch@lst.de>
Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/sd.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 91c34ee972c7..cb3c37d1e009 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1623,6 +1623,7 @@ static unsigned int sd_check_events(struct gendisk *disk, unsigned int clearing) struct scsi_disk *sdkp = scsi_disk_get(disk); struct scsi_device *sdp; int retval; + bool disk_changed; if (!sdkp) return 0; @@ -1680,10 +1681,10 @@ out: * Medium present state has changed in either direction. * Device has indicated UNIT_ATTENTION. */ - retval = sdp->changed ? DISK_EVENT_MEDIA_CHANGE : 0; + disk_changed = sdp->changed; sdp->changed = 0; scsi_disk_put(sdkp); - return retval; + return disk_changed ? DISK_EVENT_MEDIA_CHANGE : 0; } static int sd_sync_cache(struct scsi_disk *sdkp, struct scsi_sense_hdr *sshdr) |