From: Roel Kluin <roel.kluin@gmail.com>
Date: Sat, 29 Aug 2009 20:20:34 +0000 (+0200)
Subject: drm: dereference of tmp in drm_proc_create_files()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1ae70072f0699916c1a77a9bacad958ee46f7395;p=linux-beck.git

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>
---

diff --git a/drivers/gpu/drm/drm_proc.c b/drivers/gpu/drm/drm_proc.c
index bbd4b3d1074a..dc967af7a33c 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",