linux-kernel - [PATCH] drm/mxsfb: miss err handle in probe

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Message-Id: <20200611122311.20847-1-bernard@vivo.com>
Date:   Thu, 11 Jun 2020 20:23:11 +0800
From:   Bernard Zhao <bernard@...o.com>
To:     Marek Vasut <marex@...x.de>, Stefan Agner <stefan@...er.ch>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     opensource.kernel@...o.com, Bernard Zhao <bernard@...o.com>
Subject: [PATCH] drm/mxsfb: miss err handle in probe

There are three err return values in drm_fbdev_generic_setup.
In mxsfb_probe we called this function, but didn`t handle the
return value, this change is to add err handle, maybe make code
a bit more readable.

Signed-off-by: Bernard Zhao <bernard@...o.com>
---
 drivers/gpu/drm/mxsfb/mxsfb_drv.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
index 497cf443a9af..a45f3b85f725 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
@@ -415,7 +415,9 @@ static int mxsfb_probe(struct platform_device *pdev)
 	if (ret)
 		goto err_unload;
 
-	drm_fbdev_generic_setup(drm, 32);
+	ret = drm_fbdev_generic_setup(drm, 32);
+	if (ret)
+		goto err_unload;
 
 	return 0;
 
-- 
2.17.1