drm/nouveau: use post-decrement in error handling

[cascardo/linux.git] / drivers / gpu / drm / nouveau / nouveau_bo.c

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 78f520d..e3acc35 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -1520,7 +1520,7 @@ nouveau_ttm_tt_populate(struct ttm_tt *ttm)
                                    DMA_BIDIRECTIONAL);
 
                if (dma_mapping_error(pdev, addr)) {
-                       while (--i) {
+                       while (i--) {
                                dma_unmap_page(pdev, ttm_dma->dma_address[i],
                                               PAGE_SIZE, DMA_BIDIRECTIONAL);
                                ttm_dma->dma_address[i] = 0;