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-rw-r--r--net/core/rtnetlink.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 9cf6fe9ddc0c..446cbaf81185 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2895,12 +2895,16 @@ static int rtnl_bridge_notify(struct net_device *dev, u16 flags)
2895 goto errout; 2895 goto errout;
2896 } 2896 }
2897 2897
2898 if (!skb->len)
2899 goto errout;
2900
2898 rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC); 2901 rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
2899 return 0; 2902 return 0;
2900errout: 2903errout:
2901 WARN_ON(err == -EMSGSIZE); 2904 WARN_ON(err == -EMSGSIZE);
2902 kfree_skb(skb); 2905 kfree_skb(skb);
2903 rtnl_set_sk_err(net, RTNLGRP_LINK, err); 2906 if (err)
2907 rtnl_set_sk_err(net, RTNLGRP_LINK, err);
2904 return err; 2908 return err;
2905} 2909}
2906 2910