master - coverity: check for sys error in clock call

[Zdenek Kabelac]

Gitweb:        http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=a88828c8455823da5...
Commit:        a88828c8455823da52f6dbb0b5c77e2cc8b550e1
Parent:        bc239f15eb935f7962def5b8fde22b64b0b86b4f
Author:        Zdenek Kabelac 
AuthorDate:    Fri Apr 22 14:06:58 2016 +0200
Committer:     Zdenek Kabelac 
CommitterDate: Fri Apr 22 14:15:36 2016 +0200

coverity: check for sys error in clock call

---
 daemons/lvmlockd/lvmlockd-core.c |   13 +++++++++++--
 1 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/daemons/lvmlockd/lvmlockd-core.c b/daemons/lvmlockd/lvmlockd-core.c
index 9283568..f92ca01 100644
--- a/daemons/lvmlockd/lvmlockd-core.c
+++ b/daemons/lvmlockd/lvmlockd-core.c
@@ -306,7 +306,13 @@ static const char *_syslog_num_to_name(int num)
 static uint64_t monotime(void)
 {
    struct timespec ts;
-	clock_gettime(CLOCK_MONOTONIC, &ts);
+
+	if (clock_gettime(CLOCK_MONOTONIC, &ts)) {
+		log_error("clock_gettime failed to get timestamp %s.",
+			  strerror(errno));
+		ts.tv_sec = 0;
+	}
+
    return ts.tv_sec;
 }

@@ -3340,7 +3346,10 @@ static void *worker_thread_main(void *arg_in)

while (1) {
    	pthread_mutex_lock(&worker_mutex);
-		clock_gettime(CLOCK_REALTIME, &ts);
+		if (clock_gettime(CLOCK_REALTIME, &ts)) {
+			log_error("clock_gettime failed.");
+			ts.tv_sec = ts.tv_nsec = 0;
+		}
    	ts.tv_sec += delay_sec;
    	rv = 0;
    	act = NULL;