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

(As asked by Dave in Februrary)

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 8ae3ed9..db916cf 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -38,7 +38,7 @@
 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 @@
 	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);