[Intel-gfx] [PATCH i-g-t] lib: Skip unused fork helpers

[Chris Wilson]

Skip trying to stop unused fork helpers to avoid the various asserts
that they were running and didn't die early.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 lib/igt_core.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/igt_core.c b/lib/igt_core.c
index 49fbf70de..0794e11a0 100644
--- a/lib/igt_core.c
+++ b/lib/igt_core.c
@@ -1678,6 +1678,9 @@ void igt_stop_helper(struct igt_helper_process *proc)
 {
 	int status;
 
+	if (!proc->running) /* never even started */
+		return;
+
 	/* failure here means the pid is already dead and so waiting is safe */
 	kill(proc->pid, proc->use_SIGKILL ? SIGKILL : SIGTERM);
 
-- 
2.20.1