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-rw-r--r--net/hsr/hsr_device.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c
index 4ea7d54a8262..f0f9b493c47b 100644
--- a/net/hsr/hsr_device.c
+++ b/net/hsr/hsr_device.c
@@ -227,9 +227,13 @@ static int hsr_dev_xmit(struct sk_buff *skb, struct net_device *dev)
struct hsr_port *master;
master = hsr_port_get_hsr(hsr, HSR_PT_MASTER);
- skb->dev = master->dev;
- hsr_forward_skb(skb, master);
-
+ if (master) {
+ skb->dev = master->dev;
+ hsr_forward_skb(skb, master);
+ } else {
+ atomic_long_inc(&dev->tx_dropped);
+ dev_kfree_skb_any(skb);
+ }
return NETDEV_TX_OK;
}