diff options
| author | Chia-I Wu <olvaffe@gmail.com> | 2025-09-03 12:21:33 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-09-19 16:35:48 +0200 |
| commit | a506ffe193b2a95a4f372608144461ce64fbe80f (patch) | |
| tree | fe8f0ce09afde36d653c6c159e2b5394dbf2fbb8 | |
| parent | e7639cf1e6ddda211562fb204ffe9e588d0b92db (diff) | |
drm/panthor: validate group queue count
[ Upstream commit a00f2015acdbd8a4b3d2382eaeebe11db1925fad ]
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 <olvaffe@gmail.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> # v1
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://lore.kernel.org/r/20250903192133.288477-1-olvaffe@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/panthor/panthor_drv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/panthor/panthor_drv.c b/drivers/gpu/drm/panthor/panthor_drv.c index c520f156e2d7..03eb7d52209a 100644 --- a/drivers/gpu/drm/panthor/panthor_drv.c +++ b/drivers/gpu/drm/panthor/panthor_drv.c @@ -1023,7 +1023,7 @@ 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); |