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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2019-03-28 11:16:26 +0100
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2019-03-28 11:16:26 +0100
commit6f01eb5bf8e8110ab5f3a8e7b0f3abf19a205e4b (patch)
tree4b3147335ed97e4b487fd84bcb7a959a38d9656e /drivers/gpu/drm/drm_bufs.c
parent8f234193b8cc35c44614e4a4b05f2d920ff562e4 (diff)
parent6b50202a4d53bf527c640467bcff68b50a5e38a2 (diff)
Merge tag 'v4.4.177' into toradex_vf_4.4-nextColibri-VF_LXDE-Image_2.8b6.183-20190331
This is the 4.4.177 stable release
Diffstat (limited to 'drivers/gpu/drm/drm_bufs.c')
-rw-r--r--drivers/gpu/drm/drm_bufs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index f1a204d253cc..ac22b8d86249 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -36,6 +36,8 @@
#include <drm/drmP.h>
#include "drm_legacy.h"
+#include <linux/nospec.h>
+
static struct drm_map_list *drm_find_matching_map(struct drm_device *dev,
struct drm_local_map *map)
{
@@ -1332,6 +1334,7 @@ int drm_legacy_freebufs(struct drm_device *dev, void *data,
idx, dma->buf_count - 1);
return -EINVAL;
}
+ idx = array_index_nospec(idx, dma->buf_count);
buf = dma->buflist[idx];
if (buf->file_priv != file_priv) {
DRM_ERROR("Process %d freeing buffer not owned\n",