Commit b1e1fa0c authored by Kevin Wolf's avatar Kevin Wolf
Browse files

commit: Add NULL check for overlay_bs 



I can't see how overlay_bs could become NULL with the current code, but
other code in this function already checks it and we can make Coverity
happy with this check, so let's add it.

Cc: qemu-stable@nongnu.org
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
Reviewed-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
parent 718d7f4f

block/commit.c

+3 −1
Original line number Diff line number Diff line
@@ -90,7 +90,9 @@ static void commit_complete(BlockJob *job, void *opaque) 


    /* Make sure overlay_bs and top stay around until bdrv_set_backing_hd() */

    bdrv_ref(top);

    if (overlay_bs) {

        bdrv_ref(overlay_bs);

    }



    /* Remove base node parent that still uses BLK_PERM_WRITE/RESIZE before

     * the normal backing chain can be restored. */