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-rw-r--r--net/ipv6/ip6_gre.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 10127741a60d..47b671a46dc4 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -468,7 +468,8 @@ static int gre_rcv(struct sk_buff *skb)
bool csum_err = false;
int hdr_len;
- if (gre_parse_header(skb, &tpi, &csum_err, &hdr_len) < 0)
+ hdr_len = gre_parse_header(skb, &tpi, &csum_err);
+ if (hdr_len < 0)
goto drop;
if (iptunnel_pull_header(skb, hdr_len, tpi.proto, false))
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