[patch] tipc: remove an unnecessary NULL check

[Dan Carpenter]

This is never called with a NULL "buf" and anyway, we dereference 's' on
the lines before so it would Oops before we reach the check.

Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c
index 79de588..0dd0224 100644
--- a/net/tipc/subscr.c
+++ b/net/tipc/subscr.c
@@ -326,8 +326,7 @@ static void tipc_subscrb_rcv_cb(struct net *net, int conid,
                return tipc_subscrp_cancel(s, subscriber);
        }
 
-       if (s)
-               tipc_subscrp_subscribe(net, s, subscriber, swap);
+       tipc_subscrp_subscribe(net, s, subscriber, swap);
 }
 
 /* Handle one request to establish a new subscriber */