Re: [Intel-gfx] [PATCH] drm: Prevent NULL deref in drm_name_info()

2016-06-22 Thread Eric Engestrom
On Mon, Jun 20, 2016 at 07:53:33PM +0100, Chris Wilson wrote: > If a driver does not have a parent, or never sets the unique name for > itself, then we may proceed to chase a NULL dereference through > debugfs/.../name. > > Testcase: igt/vgem_basic/debugfs > Signed-off-by: Chris Wilson > Cc: Dani

[Intel-gfx] [PATCH] drm: Prevent NULL deref in drm_name_info()

2016-06-20 Thread Chris Wilson
If a driver does not have a parent, or never sets the unique name for itself, then we may proceed to chase a NULL dereference through debugfs/.../name. Testcase: igt/vgem_basic/debugfs Signed-off-by: Chris Wilson Cc: Daniel Vetter --- drivers/gpu/drm/drm_info.c | 21 ++--- 1 fil