diff options
| -rw-r--r-- | block/block-backend.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index 4053134781..f6f05ead28 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -882,6 +882,8 @@ BlockBackend *blk_by_public(BlockBackendPublic *public) /* * Disassociates the currently associated BlockDriverState from @blk. + * + * The caller must hold the AioContext lock for the BlockBackend. */ void blk_remove_bs(BlockBackend *blk) { @@ -916,7 +918,7 @@ void blk_remove_bs(BlockBackend *blk) root = blk->root; blk->root = NULL; - bdrv_graph_wrlock(NULL); + bdrv_graph_wrlock(root->bs); bdrv_root_unref_child(root); bdrv_graph_wrunlock(); } |