[PATCH] SCTP: fix compile warning building without CONFIG_IPV6

[Li Zefan]

include/net/sctp/sctp.h: In function âsctp_v6_pf_initâ:
include/net/sctp/sctp.h:392: warning: 'return' with a value, in function returning void

This warning repeats several times.

Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
---
 include/net/sctp/sctp.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 57ed3e3..ea80673 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -389,7 +389,7 @@ void sctp_v6_del_protocol(void);
 
 #else /* #ifdef defined(CONFIG_IPV6) */
 
-static inline void sctp_v6_pf_init(void) { return 0; }
+static inline void sctp_v6_pf_init(void) { return; }
 static inline void sctp_v6_pf_exit(void) { return; }
 static inline int sctp_v6_protosw_init(void) { return 0; }
 static inline void sctp_v6_protosw_exit(void) { return; }
-- 
1.5.4.rc3
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