Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit c05fad57 authored by Haishuang Yan's avatar Haishuang Yan Committed by David S. Miller
Browse files

ip_gre: fix wrong return value of erspan_rcv 



If pskb_may_pull return failed, return PACKET_REJECT instead of -ENOMEM.

Fixes: 84e54fe0 ("gre: introduce native tunnel support for ERSPAN")
Cc: William Tu <u9012063@gmail.com>
Signed-off-by: default avatarHaishuang Yan <yanhaishuang@cmss.chinamobile.com>
Acked-by: default avatarWilliam Tu <u9012063@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c647c0d6

net/ipv4/ip_gre.c

+1 −1
Original line number Diff line number Diff line
@@ -266,7 +266,7 @@ static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi, 
	len = gre_hdr_len + sizeof(*ershdr);



	if (unlikely(!pskb_may_pull(skb, len)))

		return -ENOMEM;

		return PACKET_REJECT;



	iph = ip_hdr(skb);

	ershdr = (struct erspanhdr *)(skb->data + gre_hdr_len);