[LTP] [PATCH v3 1/2] sched/starvation: Fix sched_setaffinity return check

Edward Liaw edliaw@google.com
Thu Jun 6 19:39:31 CEST 2024


TST_EXP_POSITIVE to check the return value is incorrect because
sched_setaffinity returns 0 on success / -1 on failure.

Signed-off-by: Edward Liaw <edliaw@google.com>
---
 testcases/kernel/sched/cfs-scheduler/starvation.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/testcases/kernel/sched/cfs-scheduler/starvation.c b/testcases/kernel/sched/cfs-scheduler/starvation.c
index eb9fd6ff5..1d0d5ff97 100644
--- a/testcases/kernel/sched/cfs-scheduler/starvation.c
+++ b/testcases/kernel/sched/cfs-scheduler/starvation.c
@@ -54,7 +54,8 @@ static void setup(void)
 
 	CPU_SET(0, &mask);
 
-	TST_EXP_POSITIVE(sched_setaffinity(0, sizeof(mask), &mask));
+	if (!sched_setaffinity(0, sizeof(mask), &mask))
+		tst_brk(TBROK | TERRNO, "sched_setaffinity() failed");
 
 	if (tst_parse_long(str_loop, &loop, 1, LONG_MAX))
 		tst_brk(TBROK, "Invalid number of loop number '%s'", str_loop);
-- 
2.45.2.505.gda0bf45e8d-goog



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