drm/panthor: Handle errors returned by drm_sched_entity_init()

[ Upstream commit bb7939e332c64c4ef33974a0eae4f3841acfa8eb ]

In practice it's not going to fail because we're passing the current
sanity checks done by drm_sched_entity_init(), and that's the only
reason it would return an error, but better safe than sorry.

Fixes: de8548813824 ("drm/panthor: Add the scheduler logical block")
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://patch.msgid.link/20251031160318.832427-1-boris.brezillon@collabora.com
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/panthor/panthor_sched.c b/drivers/gpu/drm/panthor/panthor_sched.c
index 3d1f57e3990f4a7b47806decfc4c09a450da017c..85ef9a7acc1477bafd80b7908b7a75c13a9d129d 100644 (file)
--- a/drivers/gpu/drm/panthor/panthor_sched.c
+++ b/drivers/gpu/drm/panthor/panthor_sched.c
@@ -3403,6 +3403,8 @@ group_create_queue(struct panthor_group *group,
 
        drm_sched = &queue->scheduler;
        ret = drm_sched_entity_init(&queue->entity, 0, &drm_sched, 1, NULL);
+       if (ret)
+               goto err_free_queue;
 
        return queue;