qcow2: Fix error handling in qcow_save_vmstate
Don't assume success but pass the bdrv_pwrite return value on.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/block/qcow2.c b/block/qcow2.c
index 6622eba..e06f4dd 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -1163,12 +1163,13 @@
{
BDRVQcowState *s = bs->opaque;
int growable = bs->growable;
+ int ret;
bs->growable = 1;
- bdrv_pwrite(bs, qcow_vm_state_offset(s) + pos, buf, size);
+ ret = bdrv_pwrite(bs, qcow_vm_state_offset(s) + pos, buf, size);
bs->growable = growable;
- return size;
+ return ret;
}
static int qcow_load_vmstate(BlockDriverState *bs, uint8_t *buf,
