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-rw-r--r--net/core/rtnetlink.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 714d5fa38546..ec931b080156 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -4842,6 +4842,10 @@ static int rtnl_bridge_notify(struct net_device *dev)
if (err < 0)
goto errout;
+ /* Notification info is only filled for bridge ports, not the bridge
+ * device itself. Therefore, a zero notification length is valid and
+ * should not result in an error.
+ */
if (!skb->len)
goto errout;