From 1ae70072f0699916c1a77a9bacad958ee46f7395 Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Sat, 29 Aug 2009 22:20:34 +0200
Subject: [PATCH] drm: dereference of tmp in drm_proc_create_files()
tmp allocation may fail, prevent a dereference.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/drm_proc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/drm_proc.c b/drivers/gpu/drm/drm_proc.c
index bbd4b3d1074..dc967af7a33 100644
--- a/drivers/gpu/drm/drm_proc.c
+++ b/drivers/gpu/drm/drm_proc.c
@@ -106,6 +106,10 @@ int drm_proc_create_files(struct drm_info_list *files, int count,
continue;
tmp = kmalloc(sizeof(struct drm_info_node), GFP_KERNEL);
+ if (tmp == NULL) {
+ ret = -1;
+ goto fail;
+ }
ent = create_proc_entry(files[i].name, S_IFREG | S_IRUGO, root);
if (!ent) {
DRM_ERROR("Cannot create /proc/dri/%s/%s\n",
--
2.20.1