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Date:	Mon, 5 May 2014 13:11:57 -0700 (PDT)
From:	Tom Herbert <>
Subject: [PATCH] ipv6: Need to sock_put on zero csum error

Commit 4068579e1e098fa81d48db9ba4432ab664c58561 introduced
zero checksums being allowed for IPv6, but in the case that a
socket disallows a zero checksum we need to sock_put.

Signed-off-by: Tom Herbert <>
 net/ipv6/udp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 4fcd9bc..fc2be63 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -884,6 +884,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
 		int ret;
 		if (!uh->check && !sk->sk_no_check) {
+			sock_put(sk);
 			goto csum_error;

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