diff options
| author | Dave Airlie <airlied@redhat.com> | 2021-06-11 10:59:49 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2021-06-11 10:59:55 +1000 |
| commit | 750643a99e6774e65028201a54cf621d5e43dc9c (patch) | |
| tree | 4a63d8fe05168f819346ed76a02836a2b3a8cfa3 /drivers/gpu/drm/drm_ioctl.c | |
| parent | 43f44f5bd1970fafb259152e1c9d8e6daf0f362d (diff) | |
| parent | c336a5ee984708db4826ef9e47d184e638e29717 (diff) | |
Merge tag 'drm-misc-fixes-2021-06-10' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
One fix for snu4i that prevents it from probing, two locking fixes for
ttm and drm_auth, one off-by-x1000 fix for mcde and a fix for vc4 to
prevent an out-of-bounds access.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20210610171653.lqsoadxrhdk73cdy@gilmour
Diffstat (limited to 'drivers/gpu/drm/drm_ioctl.c')
| -rw-r--r-- | drivers/gpu/drm/drm_ioctl.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index d273d1a8603a..495a4767a443 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -118,17 +118,18 @@ int drm_getunique(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_unique *u = data; - struct drm_master *master = file_priv->master; + struct drm_master *master; - mutex_lock(&master->dev->master_mutex); + mutex_lock(&dev->master_mutex); + master = file_priv->master; if (u->unique_len >= master->unique_len) { if (copy_to_user(u->unique, master->unique, master->unique_len)) { - mutex_unlock(&master->dev->master_mutex); + mutex_unlock(&dev->master_mutex); return -EFAULT; } } u->unique_len = master->unique_len; - mutex_unlock(&master->dev->master_mutex); + mutex_unlock(&dev->master_mutex); return 0; } |