Commit 2d822f2d authored Dec 25, 2018 by Kangjie Lu Committed by David S. Miller Dec 27, 2018

net: (cpts) fix a missing check of clk_prepare



clk_prepare() could fail, so let's check its status, and if it fails,
return its error code upstream.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 26fd962b

drivers/net/ethernet/ti/cpts.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -590,7 +590,9 @@ struct cpts cpts_create(struct device dev, void __iomem *regs,
		return ERR_CAST(cpts->refclk);
		}

		clk_prepare(cpts->refclk);
		ret = clk_prepare(cpts->refclk);
		if (ret)
		return ERR_PTR(ret);

		cpts->cc.read = cpts_systim_read;
		cpts->cc.mask = CLOCKSOURCE_MASK(32);

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