[PATCH] af_unix: constify the sock parameter in unix_sk()

[Paul Moore <pmoore@redhat.com>]

Make unix_sk() just like inet[6]_sk() by constify'ing the sock
parameter.

Signed-off-by: Paul Moore <pmoore@redhat.com>
---
 include/net/af_unix.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index cb1b9bb..b36d837 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -64,7 +64,7 @@ struct unix_sock {
 	struct socket_wq	peer_wq;
 };
 
-static inline struct unix_sock *unix_sk(struct sock *sk)
+static inline struct unix_sock *unix_sk(const struct sock *sk)
 {
 	return (struct unix_sock *)sk;
 }