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block: Make BlockDriver method bdrv_eject() return void

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

The only caller is bdrv_eject(), and it maps -ENOTSUP to 0 since
commit 4be9762a.

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 18:23:42 +02:00
committed by Kevin Wolf
parent 7bf37feddc
commit 822e1cd17e
4 changed files with 12 additions and 27 deletions
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17
block.c
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@@ -2770,25 +2770,16 @@ int bdrv_media_changed(BlockDriverState *bs)
int bdrv_eject(BlockDriverState *bs, int eject_flag)
{
BlockDriver *drv = bs->drv;
int ret;
if (bs->locked) {
return -EBUSY;
}
if (!drv || !drv->bdrv_eject) {
ret = -ENOTSUP;
} else {
ret = drv->bdrv_eject(bs, eject_flag);
if (drv && drv->bdrv_eject) {
drv->bdrv_eject(bs, eject_flag);
}
if (ret == -ENOTSUP) {
ret = 0;
}
if (ret >= 0) {
bs->tray_open = eject_flag;
}
return ret;
bs->tray_open = eject_flag;
return 0;
}
int bdrv_is_locked(BlockDriverState *bs)