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| author | Anton Vorontsov <cbouatmailru@gmail.com> | 2012-01-10 20:55:11 +0400 |
|---|---|---|
| committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2012-01-10 20:55:11 +0400 |
| commit | 913272b3864d6da89c70d9fc2c30ccb57794b369 (patch) | |
| tree | 4fb0a8ab1b53623d2a8ea200b80a3ace2d271471 /drivers/gpu/drm/drm_crtc.c | |
| parent | 6cfc2a23540667cff6da6e41d1f1167a9a45aa9a (diff) | |
| parent | 629bcb4b72d49b3631ae3dd0fe1d345820fadfcc (diff) | |
Merge git://git.infradead.org/users/cbou/battery-urgent
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 405c63b9d539..8323fc389840 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -1873,6 +1873,10 @@ int drm_mode_dirtyfb_ioctl(struct drm_device *dev, } if (num_clips && clips_ptr) { + if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { + ret = -EINVAL; + goto out_err1; + } clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); if (!clips) { ret = -ENOMEM; |