diff options
Diffstat (limited to 'drivers/char/drm/drm_fops.c')
| -rw-r--r-- | drivers/char/drm/drm_fops.c | 68 |
1 files changed, 22 insertions, 46 deletions
diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c index 3b159cab3bc8..7bc51bac450d 100644 --- a/drivers/char/drm/drm_fops.c +++ b/drivers/char/drm/drm_fops.c @@ -39,9 +39,9 @@ #include <linux/poll.h> static int drm_open_helper(struct inode *inode, struct file *filp, - drm_device_t * dev); + struct drm_device * dev); -static int drm_setup(drm_device_t * dev) +static int drm_setup(struct drm_device * dev) { drm_local_map_t *map; int i; @@ -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; @@ -135,7 +128,7 @@ static int drm_setup(drm_device_t * dev) */ int drm_open(struct inode *inode, struct file *filp) { - drm_device_t *dev = NULL; + struct drm_device *dev = NULL; int minor = iminor(inode); int retcode = 0; @@ -174,7 +167,7 @@ EXPORT_SYMBOL(drm_open); */ int drm_stub_open(struct inode *inode, struct file *filp) { - drm_device_t *dev = NULL; + struct drm_device *dev = NULL; int minor = iminor(inode); int err = -ENODEV; const struct file_operations *old_fops; @@ -230,10 +223,10 @@ static int drm_cpu_valid(void) * filp and add it into the double linked list in \p dev. */ static int drm_open_helper(struct inode *inode, struct file *filp, - drm_device_t * dev) + struct drm_device * dev) { int minor = iminor(inode); - drm_file_t *priv; + struct drm_file *priv; int ret; if (filp->f_flags & O_EXCL) @@ -258,6 +251,8 @@ 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); + if (dev->driver->open) { ret = dev->driver->open(dev, priv); if (ret < 0) @@ -265,19 +260,10 @@ 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__ @@ -309,8 +295,8 @@ static int drm_open_helper(struct inode *inode, struct file *filp, /** No-op. */ int drm_fasync(int fd, struct file *filp, int on) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->head->dev; + struct drm_file *priv = filp->private_data; + struct drm_device *dev = priv->head->dev; int retcode; DRM_DEBUG("fd = %d, device = 0x%lx\n", fd, @@ -336,8 +322,8 @@ EXPORT_SYMBOL(drm_fasync); */ int drm_release(struct inode *inode, struct file *filp) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev; + struct drm_file *priv = filp->private_data; + struct drm_device *dev; int retcode = 0; lock_kernel(); @@ -414,10 +400,10 @@ int drm_release(struct inode *inode, struct file *filp) drm_fasync(-1, filp, 0); mutex_lock(&dev->ctxlist_mutex); - if (dev->ctxlist && (!list_empty(&dev->ctxlist->head))) { - drm_ctx_list_t *pos, *n; + if (!list_empty(&dev->ctxlist)) { + struct drm_ctx_list *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) @@ -436,22 +422,12 @@ int drm_release(struct inode *inode, struct file *filp) mutex_lock(&dev->struct_mutex); if (priv->remove_auth_on_close == 1) { - drm_file_t *temp = dev->file_first; - while (temp) { + struct drm_file *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) |