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[net-next,3/5] ipv6: inet6_sk() should use sk_fullsock()

Message ID 1444018091-21987-4-git-send-email-edumazet@google.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Eric Dumazet Oct. 5, 2015, 4:08 a.m. UTC 
SYN_RECV & TIMEWAIT sockets are not full blown, they do not have a pinet6
pointer.

Fixes: ca6fb0651883 ("tcp: attach SYNACK messages to request sockets instead of listener")
Signed-off-by: Eric Dumazet <edumazet@google.com>
---
 include/linux/ipv6.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index f1f32af6d9b9..0ef2a97ccdb5 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -264,9 +264,9 @@  struct tcp6_timewait_sock {
 };
 
 #if IS_ENABLED(CONFIG_IPV6)
-static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk)
+static inline struct ipv6_pinfo *inet6_sk(const struct sock *__sk)
 {
-	return inet_sk(__sk)->pinet6;
+	return sk_fullsock(__sk) ? inet_sk(__sk)->pinet6 : NULL;
 }
 
 static inline struct raw6_sock *raw6_sk(const struct sock *sk)