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 bbd4b3d..dc967af 100644
--- a/drivers/gpu/drm/drm_proc.c
+++ b/drivers/gpu/drm/drm_proc.c
@@ -106,6 +106,10 @@
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",