block: avoid useless checks on acb->bh

Coverity is confused by this "if" and reports leaks on acb->bh.
The bottom half is always deleted before releasing the AIOCB,
in either bdrv_aio_cancel_em or bdrv_aio_bh_cb.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/block.c b/block.c
index 16a4c422f4d64ebc8e0184a2182c0987039413dc..3f072f62748ba1676d8a3263d21a4e03c5e96d36 100644 (file)
--- a/block.c
+++ b/block.c
@@ -3077,9 +3077,7 @@ static BlockDriverAIOCB *bdrv_aio_rw_vector(BlockDriverState *bs,
     acb->is_write = is_write;
     acb->qiov = qiov;
     acb->bounce = qemu_blockalign(bs, qiov->size);
-
-    if (!acb->bh)
-        acb->bh = qemu_bh_new(bdrv_aio_bh_cb, acb);
+    acb->bh = qemu_bh_new(bdrv_aio_bh_cb, acb);
 
     if (is_write) {
         qemu_iovec_to_buffer(acb->qiov, acb->bounce);