block_device_operations->release() should return void

The value passed is 0 in all but "it can never happen" cases (and those
only in a couple of drivers) *and* it would've been lost on the way
out anyway, even if something tried to pass something meaningful.
Just don't bother.

Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2013-05-05 21:52:57 -04:00
commit db2a144bed
37 changed files with 62 additions and 121 deletions

View file

@ -1188,7 +1188,7 @@ error_autopm:
*
* Locking: called with bdev->bd_mutex held.
**/
static int sd_release(struct gendisk *disk, fmode_t mode)
static void sd_release(struct gendisk *disk, fmode_t mode)
{
struct scsi_disk *sdkp = scsi_disk(disk);
struct scsi_device *sdev = sdkp->device;
@ -1207,7 +1207,6 @@ static int sd_release(struct gendisk *disk, fmode_t mode)
scsi_autopm_put_device(sdev);
scsi_disk_put(sdkp);
return 0;
}
static int sd_getgeo(struct block_device *bdev, struct hd_geometry *geo)

View file

@ -541,14 +541,13 @@ static int sr_block_open(struct block_device *bdev, fmode_t mode)
return ret;
}
static int sr_block_release(struct gendisk *disk, fmode_t mode)
static void sr_block_release(struct gendisk *disk, fmode_t mode)
{
struct scsi_cd *cd = scsi_cd(disk);
mutex_lock(&sr_mutex);
cdrom_release(&cd->cdi, mode);
scsi_cd_put(cd);
mutex_unlock(&sr_mutex);
return 0;
}
static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,