drm: use proc_create_data()

airlied: fixup race against drm info by filling out
tmp before adding it to proc.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 7 insertions, 6 deletions

diff --git a/drivers/gpu/drm/drm_proc.c b/drivers/gpu/drm/drm_proc.c
index dc967af..d379c4f 100644
--- a/drivers/gpu/drm/drm_proc.c
+++ b/drivers/gpu/drm/drm_proc.c
@@ -110,20 +110,21 @@ int drm_proc_create_files(struct drm_info_list *files, int count,
 			ret = -1;
 			goto fail;
 		}
-		ent = create_proc_entry(files[i].name, S_IFREG | S_IRUGO, root);
+		tmp->minor = minor;
+		tmp->info_ent = &files[i];
+		list_add(&tmp->list, &minor->proc_nodes.list);
+
+		ent = proc_create_data(files[i].name, S_IRUGO, root,
+				       &drm_proc_fops, tmp);
 		if (!ent) {
 			DRM_ERROR("Cannot create /proc/dri/%s/%s\n",
 				  name, files[i].name);
+			list_del(&tmp->list);
 			kfree(tmp);
 			ret = -1;
 			goto fail;
 		}
 
-		ent->proc_fops = &drm_proc_fops;
-		ent->data = tmp;
-		tmp->minor = minor;
-		tmp->info_ent = &files[i];
-		list_add(&(tmp->list), &(minor->proc_nodes.list));
 	}
 	return 0;