X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=blockdev.c;fp=blockdev.c;h=9e1381169dd17984303b9b9cafbaff3dd65d380d;hb=6bc30f19498547fac9cef98316a65cf6c1f14205;hp=c91f49e7b62c04a3bd8155826294692a4ebfa5fc;hpb=b5f4fda4fb773257e142429e4fe78bbdea771075;p=mirror_qemu.git

diff --git a/blockdev.c b/blockdev.c
index c91f49e7b6..9e1381169d 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -1611,9 +1611,9 @@ static void external_snapshot_abort(void *opaque)
             }
 
             bdrv_drained_begin(state->new_bs);
-            bdrv_graph_wrlock(state->old_bs);
+            bdrv_graph_wrlock();
             bdrv_replace_node(state->new_bs, state->old_bs, &error_abort);
-            bdrv_graph_wrunlock(state->old_bs);
+            bdrv_graph_wrunlock();
             bdrv_drained_end(state->new_bs);
 
             bdrv_unref(state->old_bs); /* bdrv_replace_node() ref'ed old_bs */
@@ -3657,7 +3657,7 @@ void qmp_x_blockdev_change(const char *parent, const char *child,
     BlockDriverState *parent_bs, *new_bs = NULL;
     BdrvChild *p_child;
 
-    bdrv_graph_wrlock(NULL);
+    bdrv_graph_wrlock();
 
     parent_bs = bdrv_lookup_bs(parent, parent, errp);
     if (!parent_bs) {
@@ -3693,7 +3693,7 @@ void qmp_x_blockdev_change(const char *parent, const char *child,
     }
 
 out:
-    bdrv_graph_wrunlock(NULL);
+    bdrv_graph_wrunlock();
 }
 
 BlockJobInfoList *qmp_query_block_jobs(Error **errp)