]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 99e36b8) | patch
drm: Prevent NULL deref in drm_name_info()
authorChris Wilson <chris@chris-wilson.co.uk>
Mon, 20 Jun 2016 18:53:33 +0000 (19:53 +0100)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Mon, 20 Jun 2016 19:20:16 +0000 (21:20 +0200)
commitd1c4c936103ba2069f3d178be35b67bb133707fd
tree8b3538d0384afab78c6799f497f304f6bf07d7fbtree | snapshot
parent99e36b87b5d4227db67ff0a2195766260bcf4913commit | diff
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
drivers/gpu/drm/drm_info.c diff | blob | history
Linux Kernel Source Tree.