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authorDaniel Vetter <daniel.vetter@ffwll.ch>2016-06-21 10:54:20 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-06-21 21:58:12 +0200
commitb3ac9f2591061e4470834028f563ef1fd86098cf (patch)
tree25e5f421535067a589de53f10c2aee5fd7d98604 /drivers/gpu/drm/drm_auth.c
parentd6ed682eba54915ea56315bc2e5a33fca5922997 (diff)
downloadlinux-b3ac9f2591061e4470834028f563ef1fd86098cf.tar.gz
drm: Extract drm_is_current_master
Just rolling out a bit of abstraction to be able to clean
up the master logic in the next step.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_auth.c')
-rw-r--r--drivers/gpu/drm/drm_auth.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c
index 2794a4f3a105..dc33387519cb 100644
--- a/drivers/gpu/drm/drm_auth.c
+++ b/drivers/gpu/drm/drm_auth.c
@@ -183,7 +183,7 @@ int drm_setmaster_ioctl(struct drm_device *dev, void *data,
 	int ret = 0;
 
 	mutex_lock(&dev->master_mutex);
-	if (file_priv->is_master)
+	if (drm_is_current_master(file_priv))
 		goto out_unlock;
 
 	if (dev->master) {
@@ -222,7 +222,7 @@ int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
 	int ret = -EINVAL;
 
 	mutex_lock(&dev->master_mutex);
-	if (!file_priv->is_master)
+	if (!drm_is_current_master(file_priv))
 		goto out_unlock;
 
 	if (!dev->master)
@@ -261,7 +261,7 @@ void drm_master_release(struct drm_file *file_priv)
 	if (file_priv->magic)
 		idr_remove(&file_priv->master->magic_map, file_priv->magic);
 
-	if (!file_priv->is_master)
+	if (!drm_is_current_master(file_priv))
 		goto out;
 
 	if (!drm_core_check_feature(dev, DRIVER_MODESET)) {
@@ -289,6 +289,12 @@ out:
 	mutex_unlock(&dev->master_mutex);
 }
 
+bool drm_is_current_master(struct drm_file *fpriv)
+{
+	return fpriv->is_master;
+}
+EXPORT_SYMBOL(drm_is_current_master);
+
 struct drm_master *drm_master_get(struct drm_master *master)
 {
 	kref_get(&master->refcount);