[PATCH] drm/panthor: validate group queue count

[Chia-I Wu]

A panthor group can have at most MAX_CS_PER_CSG panthor queues.

Signed-off-by: Chia-I Wu <olva...@gmail.com>
---
 drivers/gpu/drm/panthor/panthor_sched.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/panthor/panthor_sched.c 
b/drivers/gpu/drm/panthor/panthor_sched.c
index ba5dc3e443d9c..249ab889ca91f 100644
--- a/drivers/gpu/drm/panthor/panthor_sched.c
+++ b/drivers/gpu/drm/panthor/panthor_sched.c
@@ -3473,6 +3473,9 @@ int panthor_group_create(struct panthor_file *pfile,
            hweight64(group_args->tiler_core_mask) < 
group_args->max_tiler_cores)
                return -EINVAL;
 
+       if (group_args->queues.count > MAX_CS_PER_CSG)
+               return -EINVAL;
+
        group = kzalloc(sizeof(*group), GFP_KERNEL);
        if (!group)
                return -ENOMEM;
-- 
2.51.0.338.gd7d06c2dae-goog