summaryrefslogtreecommitdiff
path: root/lib/igt_core.c
diff options
context:
space:
mode:
authorChris Wilson <chris@chris-wilson.co.uk>2019-01-27 12:55:44 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2019-01-30 11:22:29 +0000
commit33269e20e6d2e71f68854830183b6afc4fe946a6 (patch)
treebb2c9418a4d29915c1bfa49ec5307f008a89448b /lib/igt_core.c
parent4177d0d6a40fe96e3d859be0413bf66ef9a8a606 (diff)
lib: Skip unused fork helpers
Skip trying to stop unused fork helpers to avoid the various asserts that they were running and didn't die early. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109468 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Diffstat (limited to 'lib/igt_core.c')
-rw-r--r--lib/igt_core.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/igt_core.c b/lib/igt_core.c
index 49fbf70d..cbbe79f8 100644
--- a/lib/igt_core.c
+++ b/lib/igt_core.c
@@ -1671,13 +1671,17 @@ static bool helper_was_alive(struct igt_helper_process *proc,
* igt_stop_helper:
* @proc: #igt_helper_process structure
*
- * Terminates a helper process. It is an error to call this on a helper process
- * which hasn't been spawned yet.
+ * Terminates a helper process. It is legal to call this on a helper process
+ * which hasn't been spawned yet, e.g. if the helper was skipped due to
+ * HW restrictions.
*/
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);