[PATCH v4 2/3] drm/bridge: anx7625: fix not correct return value

From: Xin Ji <xji@analogixsemi.com>
To: Nicolas Boichat <drinkcat@google.com>,
	Andrzej Hajda <a.hajda@samsung.com>,
	Neil Armstrong <narmstrong@baylibre.com>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	Jonas Karlman <jonas@kwiboo.se>,
	Jernej Skrabec <jernej.skrabec@siol.net>,
	Dan Carpenter <dan.carpenter@oracle.com>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Boris Brezillon <boris.brezillon@collabora.com>,
	Sam Ravnborg <sam@ravnborg.org>,
	Hsin-Yi Wang <hsinyi@chromium.org>, Torsten Duwe <duwe@lst.de>,
	Vasily Khoruzhick <anarsoul@gmail.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Sheng Pan <span@analogixsemi.com>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	devel@driverdev.osuosl.org
Subject: [PATCH v4 2/3] drm/bridge: anx7625: fix not correct return value
Date: Thu, 28 Jan 2021 11:09:23 +0800	[thread overview]
Message-ID: <23b62a447364a9047f0b1b144557e8d95f6ad7f7.1611802321.git.xji@analogixsemi.com> (raw)
In-Reply-To: <cover.1611802321.git.xji@analogixsemi.com>

At some time, the original code may return non zero value, force return 0
if operation finished

Signed-off-by: Xin Ji <xji@analogixsemi.com>
---
 drivers/gpu/drm/bridge/analogix/anx7625.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 65cc059..04536cc 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -189,10 +189,10 @@ static int wait_aux_op_finish(struct anx7625_data *ctx)
 			       AP_AUX_CTRL_STATUS);
 	if (val < 0 || (val & 0x0F)) {
 		DRM_DEV_ERROR(dev, "aux status %02x\n", val);
-		val = -EIO;
+		return -EIO;
 	}
 
-	return val;
+	return 0;
 }
 
 static int anx7625_video_mute_control(struct anx7625_data *ctx,
-- 
2.7.4

