diff options
Diffstat (limited to 'block/blklogwrites.c')
| -rw-r--r-- | block/blklogwrites.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/block/blklogwrites.c b/block/blklogwrites.c index 3ea7141cb5..a0d70729bb 100644 --- a/block/blklogwrites.c +++ b/block/blklogwrites.c @@ -251,7 +251,9 @@ static int blk_log_writes_open(BlockDriverState *bs, QDict *options, int flags, ret = 0; fail_log: if (ret < 0) { + bdrv_graph_wrlock(NULL); bdrv_unref_child(bs, s->log_file); + bdrv_graph_wrunlock(); s->log_file = NULL; } fail: @@ -263,8 +265,10 @@ static void blk_log_writes_close(BlockDriverState *bs) { BDRVBlkLogWritesState *s = bs->opaque; + bdrv_graph_wrlock(NULL); bdrv_unref_child(bs, s->log_file); s->log_file = NULL; + bdrv_graph_wrunlock(); } static int64_t coroutine_fn GRAPH_RDLOCK |