diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c index aead5ac4dbf6..ea07c91ab348 100644 --- a/net/hsr/hsr_device.c +++ b/net/hsr/hsr_device.c @@ -315,7 +315,8 @@ static void send_hsr_supervision_frame(struct hsr_port *master, hsr_sp = (typeof(hsr_sp)) skb_put(skb, sizeof(struct hsr_sup_payload)); ether_addr_copy(hsr_sp->MacAddressA, master->dev->dev_addr); - skb_put_padto(skb, ETH_ZLEN + HSR_HLEN); + if (skb_put_padto(skb, ETH_ZLEN + HSR_HLEN)) + return; hsr_forward_skb(skb, master); return;