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authorKevin Wolf <kwolf@redhat.com>2010-05-05 11:44:39 +0200
committerKevin Wolf <kwolf@redhat.com>2010-05-17 10:20:05 +0200
commitb666d239509a0855740444c254a65cbf567bfb90 (patch)
treee8d2539f1ad8d0c9578974bfe74fb5ad3b5008e4 /block/qcow2.c
parent7a6f391376c61af1dce2d624a4fcff8eec4fa097 (diff)
block: Avoid unchecked casts for AIOCBs
Use container_of for one direction and &acb->common for the other one. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/qcow2.c')
-rw-r--r--block/qcow2.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index ebad4e10a..0ce71507e 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -338,7 +338,7 @@ typedef struct QCowAIOCB {
static void qcow_aio_cancel(BlockDriverAIOCB *blockacb)
{
- QCowAIOCB *acb = (QCowAIOCB *)blockacb;
+ QCowAIOCB *acb = container_of(blockacb, QCowAIOCB, common);
if (acb->hd_aiocb)
bdrv_aio_cancel(acb->hd_aiocb);
qemu_aio_release(acb);