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drm/savage: off by one in savage_bci_cmdbuf()

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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
This commit is contained in:
Dan Carpenter 2018-07-04 12:48:10 +03:00 committed by Daniel Vetter
parent 4dd3cdb281
commit 968d72e6a5
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/savage/savage_state.c
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@ -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);