diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-06-20 19:53:33 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-06-20 21:20:16 +0200 |
| commit | e4245ea898797f606cf2260c9c1970414b96af78 (patch) | |
| tree | 8b3538d0384afab78c6799f497f304f6bf07d7fb /drivers/gpu/drm/drm_auth.c | |
| parent | c001da4f7c025a612a594b0ac421bce11fb5bc8b (diff) | |
| download | linux-stable-e4245ea898797f606cf2260c9c1970414b96af78.tar.gz linux-stable-e4245ea898797f606cf2260c9c1970414b96af78.tar.bz2 linux-stable-e4245ea898797f606cf2260c9c1970414b96af78.zip | |
drm: Prevent NULL deref in drm_name_info()
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 <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1466448813-23340-1-git-send-email-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/drm_auth.c')
0 files changed, 0 insertions, 0 deletions