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block_device_operations->release() should return void

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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 <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2013-05-05 21:52:57 -04:00
parent a8ca889ed9
commit db2a144bed
37 changed files with 62 additions and 121 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/ide/ide-cd.c
+1 -3
View File
@@ -1606,7 +1606,7 @@ out:
return rc;
}
static int idecd_release(struct gendisk *disk, fmode_t mode)
static void idecd_release(struct gendisk *disk, fmode_t mode)
{
struct cdrom_info *info = ide_drv_g(disk, cdrom_info);
@@ -1615,8 +1615,6 @@ static int idecd_release(struct gendisk *disk, fmode_t mode)
ide_cd_put(info);
mutex_unlock(&ide_cd_mutex);
return 0;
}
static int idecd_set_spindown(struct cdrom_device_info *cdi, unsigned long arg)
drivers/ide/ide-gd.c
+1 -3
View File
@@ -250,7 +250,7 @@ static int ide_gd_unlocked_open(struct block_device *bdev, fmode_t mode)
}
static int ide_gd_release(struct gendisk *disk, fmode_t mode)
static void ide_gd_release(struct gendisk *disk, fmode_t mode)
{
struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
ide_drive_t *drive = idkp->drive;
@@ -270,8 +270,6 @@ static int ide_gd_release(struct gendisk *disk, fmode_t mode)
ide_disk_put(idkp);
mutex_unlock(&ide_gd_mutex);
return 0;
}
static int ide_gd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
drivers/ide/ide-tape.c
+1 -3
View File
@@ -1918,15 +1918,13 @@ static int idetape_open(struct block_device *bdev, fmode_t mode)
return 0;
}
static int idetape_release(struct gendisk *disk, fmode_t mode)
static void idetape_release(struct gendisk *disk, fmode_t mode)
{
struct ide_tape_obj *tape = ide_drv_g(disk, ide_tape_obj);
mutex_lock(&ide_tape_mutex);
ide_tape_put(tape);
mutex_unlock(&ide_tape_mutex);
return 0;
}
static int idetape_ioctl(struct block_device *bdev, fmode_t mode,