From: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Date: Wed, 16 May 2018 00:40:23 +0000 (+0200)
Subject: drm/amd: Init modifier field of helper fb.
X-Git-Tag: baikal/mips/sdk5.9~12066^2~12^2~78
X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=95cae4fd470a5a43cc6858a974fac0d26c6c60e8;p=kernel.git

drm/amd: Init modifier field of helper fb.

Otherwise the field ends up being used uninitialized when
enabling modifiers, failing validation with high likelyhood.

v4: Use memset

Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
(for v1)
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index e2c2eb45a7934..0bf7d36c6686d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -207,6 +207,7 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
 	int ret;
 	unsigned long tmp;
 
+	memset(&mode_cmd, 0, sizeof(mode_cmd));
 	mode_cmd.width = sizes->surface_width;
 	mode_cmd.height = sizes->surface_height;