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drm: dereference of tmp in drm_proc_create_files()
author
Roel Kluin
<roel.kluin@gmail.com>
Sat, 29 Aug 2009 20:20:34 +0000
(22:20 +0200)
committer
Dave Airlie
<airlied@redhat.com>
Sun, 30 Aug 2009 23:09:29 +0000
(09:09 +1000)
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
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diff --git
a/drivers/gpu/drm/drm_proc.c
b/drivers/gpu/drm/drm_proc.c
index bbd4b3d1074a86f3df45d1c7e20445170738ecc8..dc967af7a33c1e16c930cd79c3b8808190ac81a3 100644
(file)
--- 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",