A panthor group can have at most MAX_CS_PER_CSG panthor queues.
Fixes: 4bdca11507928 ("drm/panthor: Add the driver frontend block")
Signed-off-by: Chia-I Wu <olva...@gmail.com>
Reviewed-by: Boris Brezillon <boris.brezil...@collabora.com> # v1
Reviewed-by: Steven Price <steven.pr...@arm.com>
---
v2:
- move validation up to panthor_ioctl_group_create
- add Fixes tag
---
drivers/gpu/drm/panthor/panthor_drv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panthor/panthor_drv.c
b/drivers/gpu/drm/panthor/panthor_drv.c
index 9256806eb6623..4c202fc5ce050 100644
--- a/drivers/gpu/drm/panthor/panthor_drv.c
+++ b/drivers/gpu/drm/panthor/panthor_drv.c
@@ -1094,7 +1094,7 @@ static int panthor_ioctl_group_create(struct drm_device
*ddev, void *data,
struct drm_panthor_queue_create *queue_args;
int ret;
- if (!args->queues.count)
+ if (!args->queues.count || args->queues.count > MAX_CS_PER_CSG)
return -EINVAL;
ret = PANTHOR_UOBJ_GET_ARRAY(queue_args, &args->queues);
--
2.51.0.338.gd7d06c2dae-goog
