From: Thomas Hellstrom <thellstrom@vmware.com>
Date: Mon, 17 Oct 2011 11:27:34 +0000 (+0200)
Subject: ttm: Fix error-path using an uninitialized value
X-Git-Tag: firefly_0821_release~3680^2~4352^2~4
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e22469ca88a8f1f6fe47adbf5e5ce0906aec07cd;p=firefly-linux-kernel-4.4.55.git

ttm: Fix error-path using an uninitialized value

Pointed out by Michel Daenzer.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index ae3c6f5dd2b7..082fcaea583f 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -321,7 +321,7 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
 	struct ttm_mem_type_manager *man = &bdev->man[new_mem->mem_type];
 	struct ttm_tt *ttm = bo->ttm;
 	struct ttm_mem_reg *old_mem = &bo->mem;
-	struct ttm_mem_reg old_copy;
+	struct ttm_mem_reg old_copy = *old_mem;
 	void *old_iomap;
 	void *new_iomap;
 	int ret;