diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/drm_ioctl.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index ac8ca5ce0822..cffc7c0e1171 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -257,21 +257,10 @@ int drm_getstats(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_stats *stats = data; - int i; + /* Clear stats to prevent userspace from eating its stack garbage. */ memset(stats, 0, sizeof(*stats)); - for (i = 0; i < dev->counters; i++) { - if (dev->types[i] == _DRM_STAT_LOCK) - stats->data[i].value = - (file_priv->master->lock.hw_lock ? file_priv->master->lock.hw_lock->lock : 0); - else - stats->data[i].value = atomic_read(&dev->counts[i]); - stats->data[i].type = dev->types[i]; - } - - stats->count = dev->counters; - return 0; } |