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Diffstat (limited to 'linux-core/drm_fops.c')
-rw-r--r--linux-core/drm_fops.c45
1 files changed, 10 insertions, 35 deletions
diff --git a/linux-core/drm_fops.c b/linux-core/drm_fops.c
index d400a4d5..e54d5079 100644
--- a/linux-core/drm_fops.c
+++ b/linux-core/drm_fops.c
@@ -79,13 +79,6 @@ static int drm_setup(drm_device_t * dev)
drm_ht_create(&dev->magiclist, DRM_MAGIC_HASH_ORDER);
INIT_LIST_HEAD(&dev->magicfree);
- dev->ctxlist = drm_alloc(sizeof(*dev->ctxlist), DRM_MEM_CTXLIST);
- if (dev->ctxlist == NULL)
- return -ENOMEM;
- memset(dev->ctxlist, 0, sizeof(*dev->ctxlist));
- INIT_LIST_HEAD(&dev->ctxlist->head);
-
- dev->vmalist = NULL;
dev->sigdata.lock = NULL;
init_waitqueue_head(&dev->lock.lock_queue);
dev->queue_count = 0;
@@ -268,6 +261,7 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
priv->authenticated = capable(CAP_SYS_ADMIN);
priv->lock_count = 0;
+ INIT_LIST_HEAD(&priv->lhead);
INIT_LIST_HEAD(&priv->user_objects);
INIT_LIST_HEAD(&priv->refd_objects);
@@ -291,19 +285,10 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
}
mutex_lock(&dev->struct_mutex);
- if (!dev->file_last) {
- priv->next = NULL;
- priv->prev = NULL;
- dev->file_first = priv;
- dev->file_last = priv;
- /* first opener automatically becomes master */
+ if (list_empty(&dev->filelist))
priv->master = 1;
- } else {
- priv->next = NULL;
- priv->prev = dev->file_last;
- dev->file_last->next = priv;
- dev->file_last = priv;
- }
+
+ list_add(&priv->lhead, &dev->filelist);
mutex_unlock(&dev->struct_mutex);
#ifdef __alpha__
@@ -480,10 +465,10 @@ int drm_release(struct inode *inode, struct file *filp)
mutex_lock(&dev->ctxlist_mutex);
- if (dev->ctxlist && (!list_empty(&dev->ctxlist->head))) {
+ if (!list_empty(&dev->ctxlist)) {
drm_ctx_list_t *pos, *n;
- list_for_each_entry_safe(pos, n, &dev->ctxlist->head, head) {
+ list_for_each_entry_safe(pos, n, &dev->ctxlist, head) {
if (pos->tag == priv &&
pos->handle != DRM_KERNEL_CONTEXT) {
if (dev->driver->context_dtor)
@@ -503,22 +488,12 @@ int drm_release(struct inode *inode, struct file *filp)
mutex_lock(&dev->struct_mutex);
drm_object_release(filp);
if (priv->remove_auth_on_close == 1) {
- drm_file_t *temp = dev->file_first;
- while (temp) {
+ drm_file_t *temp;
+
+ list_for_each_entry(temp, &dev->filelist, lhead)
temp->authenticated = 0;
- temp = temp->next;
- }
- }
- if (priv->prev) {
- priv->prev->next = priv->next;
- } else {
- dev->file_first = priv->next;
- }
- if (priv->next) {
- priv->next->prev = priv->prev;
- } else {
- dev->file_last = priv->prev;
}
+ list_del(&priv->lhead);
mutex_unlock(&dev->struct_mutex);
if (dev->driver->postclose)