drm: Release user fbs in drm_release

Avoids leaking fbs and associated buffers on release.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Tested-by: Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index bfce0992fefbcaa3c3b6848f3e440f88577b2af7..94a76887173444f0e8390014a0ff586eefbea8f8 100644 (file)
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1741,9 +1741,8 @@ out:
  * RETURNS:
  * Zero on success, errno on failure.
  */
-void drm_fb_release(struct file *filp)
+void drm_fb_release(struct drm_file *priv)
 {
-       struct drm_file *priv = filp->private_data;
        struct drm_device *dev = priv->minor->dev;
        struct drm_framebuffer *fb, *tfb;
 

diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index b06a53715853af03df4717108106a72c1effdba5..6c020fe5431ca5eea366e60fd9560f5096e6da58 100644 (file)
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -457,6 +457,9 @@ int drm_release(struct inode *inode, struct file *filp)
        if (dev->driver->driver_features & DRIVER_GEM)
                drm_gem_release(dev, file_priv);
 
+       if (dev->driver->driver_features & DRIVER_MODESET)
+               drm_fb_release(file_priv);
+
        mutex_lock(&dev->ctxlist_mutex);
        if (!list_empty(&dev->ctxlist)) {
                struct drm_ctx_list *pos, *n;

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index d54de24bf371f52025d6bad298f01b50b8b5522f..5ded1acfb5430fd969094e9fa817c285aefa9611 100644 (file)
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -609,7 +609,7 @@ extern char *drm_get_dvi_i_subconnector_name(int val);
 extern char *drm_get_dvi_i_select_name(int val);
 extern char *drm_get_tv_subconnector_name(int val);
 extern char *drm_get_tv_select_name(int val);
-extern void drm_fb_release(struct file *filp);
+extern void drm_fb_release(struct drm_file *file_priv);
 extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
 extern struct edid *drm_get_edid(struct drm_connector *connector,
                                 struct i2c_adapter *adapter);