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. Cc: Christoph Hellwig <hch@xxxxxx> Cc: Johannes Thumshirn <johannes.thumshirn@xxxxxxx> Cc: Hannes Reinecke <hare@xxxxxxx> Cc: Daniel Wagner <dwagner@xxxxxxx> Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx> --- drivers/scsi/sd.c | 5 +++-- 1 file 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 @@ static unsigned int sd_check_events(struct gendisk *disk, unsigned int clearing) * 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)
