linux-kernel - [PATCH] drm/rockchip: cdn-dp: fix cdn-dp complie warning

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Message-Id: <1486431241-11374-1-git-send-email-mark.yao@rock-chips.com>
Date:   Tue,  7 Feb 2017 09:34:01 +0800
From:   Mark Yao <mark.yao@...k-chips.com>
To:     David Airlie <airlied@...ux.ie>, Heiko Stuebner <heiko@...ech.de>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Mark Yao <mark.yao@...k-chips.com>
Subject: [PATCH] drm/rockchip: cdn-dp: fix cdn-dp complie warning

fix warning:

drivers/gpu/drm/rockchip/cdn-dp-reg.c:632:24: warning:
  'val[1]' may be used uninitialized in this function [-Wmaybe-uninitialized]
  msa_misc = 2 * val[0] + 32 * val[1] +

Signed-off-by: Mark Yao <mark.yao@...k-chips.com>
---
 drivers/gpu/drm/rockchip/cdn-dp-reg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
index 3a5b8a4..319dbba 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-reg.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
@@ -592,7 +592,7 @@ static int cdn_dp_get_msa_misc(struct video_info *video,
 			       struct drm_display_mode *mode)
 {
 	u32 msa_misc;
-	u8 val[2];
+	u8 val[2] = {0};
 
 	switch (video->color_fmt) {
 	case PXL_RGB:
-- 
1.9.1