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 <[e-mail]>
Signed-off-by: Daniel Vetter <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/savage/savage_state.c

···
 	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);