drm/exynos: fixed exception to page allocation failure

this patch corrects to deallocate the pages allocated already
at alloc_page failure.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index 2da6cdb..f9efde4 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -118,7 +118,7 @@ struct page **exynos_gem_get_pages(struct drm_gem_object *obj,
        return pages;
 
 fail:
-       while (i--)
+       while (--i)
                __free_page(pages[i]);
 
        drm_free_large(pages);