igt/pm_rps: Fix assertion in load_helper_stop

The load_helper isn't killed by the signal, but it exits gracefully. So
update the assertion to check for the successful exit.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 1 insertions, 5 deletions

diff --git a/tests/pm_rps.c b/tests/pm_rps.c
index 5264436c..5155ed9f 100644
--- a/tests/pm_rps.c
+++ b/tests/pm_rps.c
@@ -254,12 +254,8 @@ static void load_helper_run(enum load load)
 
 static void load_helper_stop(void)
 {
-	int status;
-
 	kill(lh.igt_proc.pid, SIGUSR1);
-	status = igt_wait_helper(&lh.igt_proc);
-
-	igt_assert(WIFSIGNALED(status) && WTERMSIG(status) == SIGUSR1);
+	igt_assert(igt_wait_helper(&lh.igt_proc) == 0);
 }
 
 static void load_helper_init(void)