Callback for block job should always exist
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Message-id:
1466672241-22485-2-git-send-email-xiecl.fnst@cn.fujitsu.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
assert(bs);
assert(target);
- assert(cb);
if (bs == target) {
error_setg(errp, "Source and target cannot be the same");
BlockBackend *blk;
BlockJob *job;
+ assert(cb);
if (bs->job) {
error_setg(errp, QERR_DEVICE_IN_USE, bdrv_get_device_name(bs));
return NULL;