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block: Make BlockDriver method bdrv_set_locked() return void

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The only caller is bdrv_set_locked(), and it ignores the value.

Callees always return 0, except for FreeBSD's cdrom_set_locked(),
which returns -ENOTSUP when the device is in a terminally wedged
state.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2011-07-20 18:23:41 +02:00 • committed by Kevin Wolf
parent 02266d547a
commit 7bf37feddc
3 changed files with 5 additions and 10 deletions
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10
block/raw-posix.c
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@ -1363,7 +1363,7 @@ static int cdrom_eject(BlockDriverState *bs, int eject_flag)
return 0;
}
static int cdrom_set_locked(BlockDriverState *bs, int locked)
static void cdrom_set_locked(BlockDriverState *bs, int locked)
{
BDRVRawState *s = bs->opaque;
@ -1374,8 +1374,6 @@ static int cdrom_set_locked(BlockDriverState *bs, int locked)
*/
/* perror("CDROM_LOCKDOOR"); */
}
return 0;
}
static BlockDriver bdrv_host_cdrom = {
@ -1486,12 +1484,12 @@ static int cdrom_eject(BlockDriverState *bs, int eject_flag)
return 0;
}
static int cdrom_set_locked(BlockDriverState *bs, int locked)
static void cdrom_set_locked(BlockDriverState *bs, int locked)
{
BDRVRawState *s = bs->opaque;
if (s->fd < 0)
return -ENOTSUP;
return;
if (ioctl(s->fd, (locked ? CDIOCPREVENT : CDIOCALLOW)) < 0) {
/*
* Note: an error can happen if the distribution automatically
@ -1499,8 +1497,6 @@ static int cdrom_set_locked(BlockDriverState *bs, int locked)
*/
/* perror("CDROM_LOCKDOOR"); */
}
return 0;
}
static BlockDriver bdrv_host_cdrom = {