From 4f8536876a7fefbe422cbfae6d45bb3efc69db04 Mon Sep 17 00:00:00 2001
From: Pierre Pronchery <khorben@defora.org>
Date: Fri, 3 Aug 2018 02:06:43 +0200
Subject: [PATCH] Always use clock drivers with a valid instance

---
 src/lib/time.c | 5 ++++-
 tools/clock.c  | 5 ++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/lib/time.c b/src/lib/time.c
index 1da13cd..e43698c 100644
--- a/src/lib/time.c
+++ b/src/lib/time.c
@@ -13,9 +13,12 @@
 /* time */
 time_t time(time_t * time)
 {
+	ukClock * clock;
 	time_t t;
 
-	if(clock_get_time(NULL, &t) != 0)
+	if((clock = clock_get_default()) == NULL)
+		return -1;
+	if(clock_get_time(clock, &t) != 0)
 		return -1;
 	if(time != NULL)
 		*time = t;
diff --git a/tools/clock.c b/tools/clock.c
index 6d856bf..ab9e5e7 100644
--- a/tools/clock.c
+++ b/tools/clock.c
@@ -64,10 +64,9 @@ ukClock * clock_get_default(void)
 /* clock_get_time */
 int clock_get_time(ukClock * clock, time_t * time)
 {
-	if(clock == NULL
-			&& (clock = clock_get_default()) == NULL)
+	if(clock->get_time == NULL)
 	{
-		errno = ENODEV;
+		errno = ENOTSUP;
 		return -1;
 	}
 	return clock->get_time(clock, time);