diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2020-03-28 17:23:58 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2020-03-30 21:42:23 +0200 |
| commit | c7da606edab6b4234d420c56ad855092f787e722 (patch) | |
| tree | 408af420eac227fe2c4ebdc0f2481f71bac56b6e /drivers/gpu/drm/drm_managed.c | |
| parent | 303973aaef1204fa205c1dccc6f8cac15812a8c9 (diff) | |
drm/managed: Fix off-by-one in warning
I'm thinking this is the warning that fired in the 0day report, but I
can't double-check yet since 0day didn't upload its source tree
anywhere I can check. And all the drivers I can easily test don't use
drm_dev_alloc anymore ...
Also if I'm correct supreme amounts of bad luck because usually kslap
(for bigger structures) gives us something quite a bit bigger than
what we asked for.
[0day uploaded tree, guess is correct]
Reported-by: kernel test robot <lkp@intel.com>
Fixes: c6603c740e0e ("drm: add managed resources tied to drm_device")
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Neil Armstrong <narmstrong@baylibre.com
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200328162358.18500-1-daniel.vetter@ffwll.ch
Diffstat (limited to 'drivers/gpu/drm/drm_managed.c')
| -rw-r--r-- | drivers/gpu/drm/drm_managed.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_managed.c b/drivers/gpu/drm/drm_managed.c index 4955241ceb4c..9cebfe370a65 100644 --- a/drivers/gpu/drm/drm_managed.c +++ b/drivers/gpu/drm/drm_managed.c @@ -139,8 +139,7 @@ void drmm_add_final_kfree(struct drm_device *dev, void *container) { WARN_ON(dev->managed.final_kfree); WARN_ON(dev < (struct drm_device *) container); - WARN_ON(dev + 1 >= - (struct drm_device *) (container + ksize(container))); + WARN_ON(dev + 1 > (struct drm_device *) (container + ksize(container))); dev->managed.final_kfree = container; } EXPORT_SYMBOL(drmm_add_final_kfree); |