diff options
author | Dave Airlie <airlied@redhat.com> | 2011-02-24 08:35:06 +1000 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-03-07 15:05:17 -0800 |
commit | deca27950a4fcf88963d99e3b926c0e78ab4e5df (patch) | |
tree | e5788a82363dad073115cf333ff86be46f9b9868 /drivers | |
parent | 4b33fadfd4eddc8a41fd2dc08c623ed401519fff (diff) |
drm: fix unsigned vs signed comparison issue in modeset ctl ioctl.
commit 1922756124ddd53846877416d92ba4a802bc658f upstream.
This fixes CVE-2011-1013.
Reported-by: Matthiew Herrb (OpenBSD X.org team)
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/drm_irq.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 16d5155edad1..d198884d20d9 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -549,7 +549,8 @@ int drm_modeset_ctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_modeset_ctl *modeset = data; - int crtc, ret = 0; + int ret = 0; + unsigned int crtc; /* If drm_vblank_init() hasn't been called yet, just no-op */ if (!dev->num_crtcs) |