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Diffstat (limited to 'linux-core/drm_fops.c')
-rw-r--r--linux-core/drm_fops.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/linux-core/drm_fops.c b/linux-core/drm_fops.c
index 1f3c0398..40dd7b27 100644
--- a/linux-core/drm_fops.c
+++ b/linux-core/drm_fops.c
@@ -414,7 +414,6 @@ int drm_release(struct inode *inode, struct file *filp)
}
-
if (drm_i_have_hw_lock(dev, file_priv)) {
DRM_DEBUG("File %p released, freeing lock for context %d\n",
filp, _DRM_LOCKING_CONTEXT(file_priv->master->lock.hw_lock->lock));
@@ -463,6 +462,7 @@ int drm_release(struct inode *inode, struct file *filp)
mutex_lock(&dev->struct_mutex);
if (file_priv->is_master) {
+ struct drm_master *master = file_priv->master;
struct drm_file *temp;
list_for_each_entry(temp, &dev->filelist, lhead) {
if ((temp->master == file_priv->master) &&
@@ -470,6 +470,19 @@ int drm_release(struct inode *inode, struct file *filp)
temp->authenticated = 0;
}
+ /*
+ * Since the master is disappearing, so is the
+ * possibility to lock.
+ */
+
+ if (master->lock.hw_lock) {
+ if (dev->sigdata.lock == master->lock.hw_lock)
+ dev->sigdata.lock = NULL;
+ master->lock.hw_lock = NULL;
+ master->lock.file_priv = NULL;
+ wake_up_interruptible_all(&master->lock.lock_queue);
+ }
+
if (file_priv->minor->master == file_priv->master) {
/* drop the reference held my the minor */
drm_master_put(&file_priv->minor->master);