[PATCH 5/6] block: simplify bdrv_child_user_desc()

[Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>]

All existing parent types (block nodes, block devices, jobs) has the
realization. So, drop unreachable code.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
 block.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/block.c b/block.c
index 1de2365843..20efd7a7b0 100644
--- a/block.c
+++ b/block.c
@@ -2037,11 +2037,7 @@ bool bdrv_is_writable(BlockDriverState *bs)
 
 static char *bdrv_child_user_desc(BdrvChild *c)
 {
-    if (c->klass->get_parent_desc) {
-        return c->klass->get_parent_desc(c);
-    }
-
-    return g_strdup("another user");
+    return c->klass->get_parent_desc(c);
 }
 
 static bool bdrv_a_allow_b(BdrvChild *a, BdrvChild *b, Error **errp)
-- 
2.29.2