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blkdebug: Delete BH in bdrv_aio_cancel

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Otherwise error_callback_bh will access the already released acb.

Cc: qemu-stable@nongnu.org
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2014-08-22 12:45:50 +08:00 committed by Kevin Wolf
parent 8d9eb33ca0
commit cbf95a0b11
1 changed files with 4 additions and 0 deletions
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4
block/blkdebug.c
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@ -453,6 +453,10 @@ static void error_callback_bh(void *opaque)
static void blkdebug_aio_cancel(BlockDriverAIOCB *blockacb)
{
BlkdebugAIOCB *acb = container_of(blockacb, BlkdebugAIOCB, common);
if (acb->bh) {
qemu_bh_delete(acb->bh);
acb->bh = NULL;
}
qemu_aio_release(acb);
}