diff options
| author | Fam Zheng <famz@redhat.com> | 2014-08-22 12:45:50 +0800 |
|---|---|---|
| committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2014-09-08 11:23:05 -0500 |
| commit | fab7560c352475ebf5ab50be9e327e0eabff1a3b (patch) | |
| tree | c6cc23e3914733f2cbba571c46113ee2bed2f467 | |
| parent | 16c92cd629f2069c25a8d21ee049f8748adb8a7a (diff) | |
| download | qemu-fab7560c352475ebf5ab50be9e327e0eabff1a3b.tar.gz | |
blkdebug: Delete BH in bdrv_aio_cancel
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>
(cherry picked from commit cbf95a0b117461473f05ab3cce4d01ba2b29e60a)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
| -rw-r--r-- | block/blkdebug.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/block/blkdebug.c b/block/blkdebug.c index f51407de3f..01b8e73bda 100644 --- a/block/blkdebug.c +++ b/block/blkdebug.c @@ -449,6 +449,10 @@ 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); } |