From: Fabio Estevam <festevam@gmail.com>
Date: Tue, 6 Nov 2018 10:16:03 +0000 (-0500)
Subject: media: imx-pxp: Check the return value from clk_prepare_enable()
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=efceb765ff1df6d0ce0d024de5fe66bd7bb241da;p=openwrt%2Fstaging%2Fblogic.git

media: imx-pxp: Check the return value from clk_prepare_enable()

clk_prepare_enable() may fail, so we should better check its return value
and propagate it in the case of error.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
---

diff --git a/drivers/media/platform/imx-pxp.c b/drivers/media/platform/imx-pxp.c
index b76cd0e8313c..27780f174c44 100644
--- a/drivers/media/platform/imx-pxp.c
+++ b/drivers/media/platform/imx-pxp.c
@@ -1666,7 +1666,10 @@ static int pxp_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	clk_prepare_enable(dev->clk);
+	ret = clk_prepare_enable(dev->clk);
+	if (ret < 0)
+		return ret;
+
 	pxp_soft_reset(dev);
 
 	spin_lock_init(&dev->irqlock);