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authorLennart Poettering <lennart@poettering.net>2012-01-23 21:56:55 +0100
committerLennart Poettering <lennart@poettering.net>2012-01-23 21:56:55 +0100
commit7c697168102cb64c5cb65a542959684014da99c7 (patch)
tree2f147456e989f600d1cbc5debbab6e517dbf27e5 /src
parentc97e8d10fe35ab282725deb3e05542a598e46cb1 (diff)
util: use /dev/rtc symlink if possible before we go searching for a suitable device
Diffstat (limited to 'src')
-rw-r--r--src/util.c10
1 files changed, 8 insertions, 2 deletions
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)