Commit aa7cb378 authored by Yuanjun Gong's avatar Yuanjun Gong Committed by David S. Miller
Browse files

ipv4: ip_gre: fix return value check in erspan_xmit() 



goto free_skb if an unexpected result is returned by pskb_tirm()
in erspan_xmit().

Signed-off-by: default avatarYuanjun Gong <ruc_gongyuanjun@163.com>
Reviewed-by: default avatarKuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 02d84f3e

net/ipv4/ip_gre.c

+2 −1
Original line number Diff line number Diff line
@@ -690,7 +690,8 @@ static netdev_tx_t erspan_xmit(struct sk_buff *skb, 
		goto free_skb;



	if (skb->len > dev->mtu + dev->hard_header_len) {

		pskb_trim(skb, dev->mtu + dev->hard_header_len);

		if (pskb_trim(skb, dev->mtu + dev->hard_header_len))

			goto free_skb;

		truncate = true;

	}