[PULL 012/115] qom/object: Fix object_child_foreach_recursive() return value

[Paolo Bonzini]

From: Cédric Le Goater <clg@kaod.org>

When recursing, the return value of do_object_child_foreach() is not
taken into account.

Cc: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Fixes: d714b8de7747 ("qom: Add recursive version of object_child_for_each")
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200404153340.164861-1-clg@kaod.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 qom/object.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/qom/object.c b/qom/object.c
index d0be42c8d6..484465f1c8 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -1051,7 +1051,10 @@ static int do_object_child_foreach(Object *obj,
                 break;
             }
             if (recurse) {
-                do_object_child_foreach(child, fn, opaque, true);
+                ret = do_object_child_foreach(child, fn, opaque, true);
+                if (ret != 0) {
+                    break;
+                }
             }
         }
     }
-- 
2.26.2