[PATCH -next] rdma/siw: remove set but not used variable 's'

[YueHaibing]

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/infiniband/sw/siw/siw_cm.c: In function siw_cm_llp_state_change:
drivers/infiniband/sw/siw/siw_cm.c:1278:17: warning: variable s set but not 
used [-Wunused-but-set-variable]

Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 drivers/infiniband/sw/siw/siw_cm.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/infiniband/sw/siw/siw_cm.c 
b/drivers/infiniband/sw/siw/siw_cm.c
index c883bf5..7d87a78 100644
--- a/drivers/infiniband/sw/siw/siw_cm.c
+++ b/drivers/infiniband/sw/siw/siw_cm.c
@@ -1275,7 +1275,6 @@ static void siw_cm_llp_error_report(struct sock *sk)
 static void siw_cm_llp_state_change(struct sock *sk)
 {
        struct siw_cep *cep;
-       struct socket *s;
        void (*orig_state_change)(struct sock *s);
 
        read_lock(&sk->sk_callback_lock);
@@ -1288,8 +1287,6 @@ static void siw_cm_llp_state_change(struct sock *sk)
        }
        orig_state_change = cep->sk_state_change;
 
-       s = sk->sk_socket;
-
        siw_dbg_cep(cep, "state: %d\n", cep->state);
 
        switch (sk->sk_state) {
-- 
2.7.4