diff options
Diffstat (limited to 'drivers/gpu/drm/drm_auth.c')
| -rw-r--r-- | drivers/gpu/drm/drm_auth.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c index a73462723d2d..ca7a9ef5007b 100644 --- a/drivers/gpu/drm/drm_auth.c +++ b/drivers/gpu/drm/drm_auth.c @@ -45,14 +45,15 @@ * the one with matching magic number, while holding the drm_device::struct_mutex * lock. */ -static struct drm_file *drm_find_file(struct drm_device * dev, drm_magic_t magic) +static struct drm_file *drm_find_file(struct drm_master *master, drm_magic_t magic) { struct drm_file *retval = NULL; struct drm_magic_entry *pt; struct drm_hash_item *hash; + struct drm_device *dev = master->minor->dev; mutex_lock(&dev->struct_mutex); - if (!drm_ht_find_item(&dev->magiclist, (unsigned long)magic, &hash)) { + if (!drm_ht_find_item(&master->magiclist, (unsigned long)magic, &hash)) { pt = drm_hash_entry(hash, struct drm_magic_entry, hash_item); retval = pt->priv; } @@ -71,11 +72,11 @@ static struct drm_file *drm_find_file(struct drm_device * dev, drm_magic_t magic * associated the magic number hash key in drm_device::magiclist, while holding * the drm_device::struct_mutex lock. */ -static int drm_add_magic(struct drm_device * dev, struct drm_file * priv, +static int drm_add_magic(struct drm_master *master, struct drm_file *priv, drm_magic_t magic) { struct drm_magic_entry *entry; - + struct drm_device *dev = master->minor->dev; DRM_DEBUG("%d\n", magic); entry = drm_alloc(sizeof(*entry), DRM_MEM_MAGIC); @@ -83,11 +84,10 @@ static int drm_add_magic(struct drm_device * dev, struct drm_file * priv, return -ENOMEM; memset(entry, 0, sizeof(*entry)); entry->priv = priv; - entry->hash_item.key = (unsigned long)magic; mutex_lock(&dev->struct_mutex); - drm_ht_insert_item(&dev->magiclist, &entry->hash_item); - list_add_tail(&entry->head, &dev->magicfree); + drm_ht_insert_item(&master->magiclist, &entry->hash_item); + list_add_tail(&entry->head, &master->magicfree); mutex_unlock(&dev->struct_mutex); return 0; @@ -102,20 +102,21 @@ static int drm_add_magic(struct drm_device * dev, struct drm_file * priv, * Searches and unlinks the entry in drm_device::magiclist with the magic * number hash key, while holding the drm_device::struct_mutex lock. */ -static int drm_remove_magic(struct drm_device * dev, drm_magic_t magic) +static int drm_remove_magic(struct drm_master *master, drm_magic_t magic) { struct drm_magic_entry *pt; struct drm_hash_item *hash; + struct drm_device *dev = master->minor->dev; DRM_DEBUG("%d\n", magic); mutex_lock(&dev->struct_mutex); - if (drm_ht_find_item(&dev->magiclist, (unsigned long)magic, &hash)) { + if (drm_ht_find_item(&master->magiclist, (unsigned long)magic, &hash)) { mutex_unlock(&dev->struct_mutex); return -EINVAL; } pt = drm_hash_entry(hash, struct drm_magic_entry, hash_item); - drm_ht_remove_item(&dev->magiclist, hash); + drm_ht_remove_item(&master->magiclist, hash); list_del(&pt->head); mutex_unlock(&dev->struct_mutex); @@ -153,9 +154,9 @@ int drm_getmagic(struct drm_device *dev, void *data, struct drm_file *file_priv) ++sequence; /* reserve 0 */ auth->magic = sequence++; spin_unlock(&lock); - } while (drm_find_file(dev, auth->magic)); + } while (drm_find_file(file_priv->master, auth->magic)); file_priv->magic = auth->magic; - drm_add_magic(dev, file_priv, auth->magic); + drm_add_magic(file_priv->master, file_priv, auth->magic); } DRM_DEBUG("%u\n", auth->magic); @@ -181,9 +182,9 @@ int drm_authmagic(struct drm_device *dev, void *data, struct drm_file *file; DRM_DEBUG("%u\n", auth->magic); - if ((file = drm_find_file(dev, auth->magic))) { + if ((file = drm_find_file(file_priv->master, auth->magic))) { file->authenticated = 1; - drm_remove_magic(dev, auth->magic); + drm_remove_magic(file_priv->master, auth->magic); return 0; } return -EINVAL; |