[PATCH 4/6] cyclictest: Correctly print clock_nanosleep() errors

Thomas Weißschuh (Schneider Electric) <[email protected]> Tue, 07 Apr 2026 08:48:44 +0200
Newsgroups org.kernel.vger.linux-rt-users
Message-ID <[email protected]>
clock_nanosleep() does not set errno on errors but instead returns a
positive error number directly.

Signed-off-by: Thomas Weißschuh (Schneider Electric) <[email protected]>
---
 src/cyclictest/cyclictest.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/cyclictest/cyclictest.c b/src/cyclictest/cyclictest.c
index dacf0b7a718e..40da2cc4119d 100644
--- a/src/cyclictest/cyclictest.c
+++ b/src/cyclictest/cyclictest.c
@@ -773,7 +773,7 @@ static void *timerthread(void *param)
 						      &next, NULL);
 				if (ret != 0) {
 					if (ret != EINTR)
-						warn("clock_nanosleep failed. errno: %d\n", errno);
+						warn("clock_nanosleep failed. errno: %d\n", ret);
 					goto out;
 				}
 			} else {
@@ -787,7 +787,7 @@ static void *timerthread(void *param)
 					TIMER_RELTIME, &interval, NULL);
 				if (ret != 0) {
 					if (ret != EINTR)
-						warn("clock_nanosleep() failed. errno: %d\n", errno);
+						warn("clock_nanosleep() failed. errno: %d\n", ret);
 					goto out;
 				}
 				next.tv_sec = now.tv_sec + interval.tv_sec;

-- 
2.53.0