Commit 968d72e6 authored Jul 04, 2018 by Dan Carpenter Committed by Daniel Vetter Jul 04, 2018

drm/savage: off by one in savage_bci_cmdbuf()



The > should be >= here so that we don't read beyond the end of the
dma->buflist[] array.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20180704094810.whrgn6jxe7uibnfv@kili.mountain

parent 4dd3cdb2

drivers/gpu/drm/savage/savage_state.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -971,7 +971,7 @@ int savage_bci_cmdbuf(struct drm_device dev, void data, struct drm_file *file_
		LOCK_TEST_WITH_RETURN(dev, file_priv);

		if (dma && dma->buflist) {
		if (cmdbuf->dma_idx > dma->buf_count) {
		if (cmdbuf->dma_idx >= dma->buf_count) {
		DRM_ERROR
		("vertex buffer index %u out of range (0-%u)\n",
		cmdbuf->dma_idx, dma->buf_count - 1);