drm: move "struct drm_magic_entry" to drm_auth.c

In drm_release(), we currently call drm_remove_magic() if the drm_file
has a drm-magic attached. Therefore, once drm_master_release() is called,
the magic-list _must_ be empty.

By dropping the no-op cleanup, we can move "struct drm_magic_entry" to
drm_auth.c and avoid exposing it to all of DRM.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

3 files changed, 6 insertions, 13 deletions

diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c
index 3cedae12b3c1..708a2044c631 100644
--- a/drivers/gpu/drm/drm_auth.c
+++ b/drivers/gpu/drm/drm_auth.c
@@ -35,6 +35,12 @@
 
 #include <drm/drmP.h>
 
+struct drm_magic_entry {
+        struct list_head head;
+        struct drm_hash_item hash_item;
+        struct drm_file *priv;
+};
+
 /**
  * Find the file with the given magic number.
  *
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index b1587e2e10fc..66456698447e 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -133,7 +133,6 @@ EXPORT_SYMBOL(drm_master_get);
 static void drm_master_destroy(struct kref *kref)
 {
         struct drm_master *master = container_of(kref, struct drm_master, refcount);
-        struct drm_magic_entry *pt, *next;
         struct drm_device *dev = master->minor->dev;
         struct drm_map_list *r_list, *list_temp;
 
@@ -154,12 +153,6 @@ static void drm_master_destroy(struct kref *kref)
                 master->unique_len = 0;
         }
 
-        list_for_each_entry_safe(pt, next, &master->magicfree, head) {
-                list_del(&pt->head);
-                drm_ht_remove_item(&master->magiclist, &pt->hash_item);
-                kfree(pt);
-        }
-
         drm_ht_remove(&master->magiclist);
 
         mutex_unlock(&dev->struct_mutex);
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 11c357534581..0fdd813821cd 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -290,12 +290,6 @@ struct drm_ioctl_desc {
 #define DRM_IOCTL_DEF_DRV(ioctl, _func, _flags)                 \
         [DRM_IOCTL_NR(DRM_##ioctl)] = {.cmd = DRM_##ioctl, .func = _func, .flags = _flags, .cmd_drv = DRM_IOCTL_##ioctl, .name = #ioctl}
 
-struct drm_magic_entry {
-        struct list_head head;
-        struct drm_hash_item hash_item;
-        struct drm_file *priv;
-};
-
 /**
  * DMA buffer.
  */