llc: switch type to bool as the timeout is only tested versus 0

(As asked by Dave in Februrary)
Signed-off-by: NAlan Cox <alan@linux.intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/llc/af_llc.c

@@ -38,7 +38,7 @@ static u16 llc_ui_sap_link_no_max[256];
 static struct sockaddr_llc llc_ui_addrnull;
 static const struct proto_ops llc_ui_ops;
 
-static long llc_ui_wait_for_conn(struct sock *sk, long timeout);
+static bool llc_ui_wait_for_conn(struct sock *sk, long timeout);
 static int llc_ui_wait_for_disc(struct sock *sk, long timeout);
 static int llc_ui_wait_for_busy_core(struct sock *sk, long timeout);
 
@@ -551,7 +551,7 @@ static int llc_ui_wait_for_disc(struct sock *sk, long timeout)
 	return rc;
 }
 
-static long llc_ui_wait_for_conn(struct sock *sk, long timeout)
+static bool llc_ui_wait_for_conn(struct sock *sk, long timeout)
 {
 	DEFINE_WAIT(wait);