1 files changed, 4 insertions, 0 deletions

diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 6cad15da5892..d370c8bfa372 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -906,6 +906,10 @@ static int dsa_switch_rcv(struct sk_buff *skb, struct net_device *dev,
                 return 0;
         }
 
+        skb = skb_unshare(skb, GFP_ATOMIC);
+        if (!skb)
+                return 0;
+
         return dst->rcv(skb, dev, pt, orig_dev);
 }