kobject: return the result of uevent sending by netlink

We need to return the result of uevent sending by netlink
to caller, when uevent_helper is disabled and CONFIG_NET
is defined.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 4 insertions, 2 deletions

diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index ca215bc2329a..318328ddbd1c 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -225,8 +225,10 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
                         }
 
                         NETLINK_CB(skb).dst_group = 1;
-                        netlink_broadcast(uevent_sock, skb, 0, 1, GFP_KERNEL);
-                }
+                        retval = netlink_broadcast(uevent_sock, skb, 0, 1,
+                                                   GFP_KERNEL);
+                } else
+                        retval = -ENOMEM;
         }
 #endif