tipc: remove an unnecessary NULL check

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.

index 79de588..0dd0224 100644
@@ -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 */

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From: Dan Carpenter <[email protected]>
Date: Wed, 27 Apr 2016 11:05:28 +0300

Applied to net-next, thanks.