diff mbox

blkdebug: Delete BH in bdrv_aio_cancel

Message ID 1408682750-12738-1-git-send-email-famz@redhat.com
State New
Headers show

Commit Message

Fam Zheng Aug. 22, 2014, 4:45 a.m. UTC 
Otherwise error_callback_bh will access the already released acb.

Signed-off-by: Fam Zheng <famz@redhat.com>
---
 block/blkdebug.c | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Kevin Wolf Aug. 22, 2014, 9:07 a.m. UTC | #1 
Am 22.08.2014 um 06:45 hat Fam Zheng geschrieben:
> Otherwise error_callback_bh will access the already released acb.
> 
> Signed-off-by: Fam Zheng <famz@redhat.com>

Cc: qemu-stable@nongnu.org

Thanks, applied to the block branch.

Kevin
diff mbox

Patch

diff --git a/block/blkdebug.c b/block/blkdebug.c
index 1586ed9..dac7666 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);
 }