linux-kernel - [PATCH -next] drm: mxsfb: fix error return code in mxsfb

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Message-Id: <20170205160036.7364-1-weiyj.lk@gmail.com>
Date:   Sun,  5 Feb 2017 16:00:36 +0000
From:   Wei Yongjun <weiyj.lk@...il.com>
To:     Marek Vasut <marex@...x.de>, David Airlie <airlied@...ux.ie>
Cc:     Wei Yongjun <weiyongjun1@...wei.com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH -next] drm: mxsfb: fix error return code in mxsfb_load()

From: Wei Yongjun <weiyongjun1@...wei.com>

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 drivers/gpu/drm/mxsfb/mxsfb_drv.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
index cdfbe02..28a75cb 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
@@ -221,6 +221,7 @@ static int mxsfb_load(struct drm_device *drm, unsigned long flags)
 	mxsfb->fbdev = drm_fbdev_cma_init(drm, 32,
 					  drm->mode_config.num_connector);
 	if (IS_ERR(mxsfb->fbdev)) {
+		ret = PTR_ERR(mxsfb->fbdev);
 		mxsfb->fbdev = NULL;
 		dev_err(drm->dev, "Failed to init FB CMA area\n");
 		goto err_cma;