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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2019-03-28 14:32:06 +0100
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2019-03-28 14:32:06 +0100
commit32aca03c2ce868d3412da0bb6ce6798c7bea357e (patch)
tree01630dc4a6935df99bf7d11d34ff8d384fed86e2 /drivers/gpu/drm/drm_bufs.c
parentcfbbc7703fff59c67761c93a8b1de29a79f9841c (diff)
parent60771fc402877163d07569addadcf18b86acb455 (diff)
Merge tag 'v4.9.166' into 4.9-2.3.x-imx
This is the 4.9.166 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 3ff9495b28d6..fb02fb0579de 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)
{
@@ -1413,6 +1415,7 @@ 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",