[Qemu-devel] [PATCH] block: Remove -errno return value from bdrv_assign_node_name

[Kevin Wolf <kwolf@redhat.com>]

It takes an errp argument. That's enough for error handling.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/block.c b/block.c
index acb70fd..b4f3f77 100644
--- a/block.c
+++ b/block.c
@@ -783,18 +783,18 @@ static int bdrv_open_flags(BlockDriverState *bs, int flags)
     return open_flags;
 }
 
-static int bdrv_assign_node_name(BlockDriverState *bs,
-                                 const char *node_name,
-                                 Error **errp)
+static void bdrv_assign_node_name(BlockDriverState *bs,
+                                  const char *node_name,
+                                  Error **errp)
 {
     if (!node_name) {
-        return 0;
+        return;
     }
 
     /* empty string node name is invalid */
     if (node_name[0] == '\0') {
         error_setg(errp, "Empty node name");
-        return -EINVAL;
+        return;
     }
 
     /* takes care of avoiding namespaces collisions */
@@ -807,14 +807,12 @@ static int bdrv_assign_node_name(BlockDriverState *bs,
     /* takes care of avoiding duplicates node names */
     if (bdrv_find_node(node_name)) {
         error_setg(errp, "Duplicate node name");
-        return -EINVAL;
+        return;
     }
 
     /* copy node name into the bs and insert it into the graph list */
     pstrcpy(bs->node_name, sizeof(bs->node_name), node_name);
     QTAILQ_INSERT_TAIL(&graph_bdrv_states, bs, node_list);
-
-    return 0;
 }
 
 /*
@@ -849,9 +847,10 @@ static int bdrv_open_common(BlockDriverState *bs, BlockDriverState *file,
     trace_bdrv_open_common(bs, filename ?: "", flags, drv->format_name);
 
     node_name = qdict_get_try_str(options, "node-name");
-    ret = bdrv_assign_node_name(bs, node_name, errp);
-    if (ret < 0) {
-        return ret;
+    bdrv_assign_node_name(bs, node_name, &local_err);
+    if (error_is_set(&local_err)) {
+        error_propagate(errp, local_err);
+        return -EINVAL;
     }
     qdict_del(options, "node-name");
 
-- 
1.8.3.1