[net-next bugfix] net, rps: fix build failure when CONFIG_RPS isn't set

[Zhi Yong Wu <zwu.kernel@gmail.com>]

From: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
---
 include/net/sock.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/include/net/sock.h b/include/net/sock.h
index 8ee90ad..bd716b6 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -846,12 +846,16 @@ static inline void sock_rps_reset_flow_hash(__u32 hash)
 
 static inline void sock_rps_record_flow(const struct sock *sk)
 {
+#ifdef CONFIG_RPS
 	sock_rps_record_flow_hash(sk->sk_rxhash);
+#endif
 }
 
 static inline void sock_rps_reset_flow(const struct sock *sk)
 {
+#ifdef CONFIG_RPS
 	sock_rps_reset_flow_hash(sk->sk_rxhash);
+#endif
 }
 
 static inline void sock_rps_save_rxhash(struct sock *sk,
-- 
1.7.6.5