From 7c697168102cb64c5cb65a542959684014da99c7 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 23 Jan 2012 21:56:55 +0100
Subject: util: use /dev/rtc symlink if possible before we go searching for a
 suitable device

---
 src/util.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/util.c b/src/util.c
index 1babb6aed4..c9ad831c6c 100644
--- a/src/util.c
+++ b/src/util.c
@@ -5235,8 +5235,14 @@ int rtc_open(int flags) {
         int fd;
         DIR *d;
 
-        /* We open the first RTC which has hctosys=1 set. If we don't
-         * find any we just take the first one */
+        /* First, we try to make use of the /dev/rtc symlink. If that
+         * doesn't exist, we open the first RTC which has hctosys=1
+         * set. If we don't find any we just take the first RTC that
+         * exists at all. */
+
+        fd = open("/dev/rtc", flags);
+        if (fd >= 0)
+                return fd;
 
         d = opendir("/sys/class/rtc");
         if (!d)
-- 
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