Commit a00f2015 authored by Chia-I Wu's avatar Chia-I Wu Committed by Steven Price
Browse files

drm/panthor: validate group queue count 



A panthor group can have at most MAX_CS_PER_CSG panthor queues.

Fixes: 4bdca115 ("drm/panthor: Add the driver frontend block")
Signed-off-by: default avatarChia-I Wu <olvaffe@gmail.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> # v1
Reviewed-by: default avatarSteven Price <steven.price@arm.com>
Signed-off-by: default avatarSteven Price <steven.price@arm.com>
Link: https://lore.kernel.org/r/20250903192133.288477-1-olvaffe@gmail.com
parent d5067034

drivers/gpu/drm/panthor/panthor_drv.c

+1 −1
Original line number Diff line number Diff line
@@ -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);