From 973a27c7464231282489b2f14581e33cf29024b8 Mon Sep 17 00:00:00 2001 From: Arvind Yadav Date: Fri, 19 May 2017 16:20:35 +0530 Subject: [PATCH] PM / devfreq: exynos-nocp: Handle return value of clk_prepare_enable clk_prepare_enable() can fail here and we must check its return value. Signed-off-by: Arvind Yadav Signed-off-by: MyungJoo Ham --- drivers/devfreq/event/exynos-nocp.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/devfreq/event/exynos-nocp.c b/drivers/devfreq/event/exynos-nocp.c index 5c3e7b11e8a6..f6e7956fc91a 100644 --- a/drivers/devfreq/event/exynos-nocp.c +++ b/drivers/devfreq/event/exynos-nocp.c @@ -267,7 +267,11 @@ static int exynos_nocp_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, nocp); - clk_prepare_enable(nocp->clk); + ret = clk_prepare_enable(nocp->clk); + if (ret) { + dev_err(&pdev->dev, "failed to prepare ppmu clock\n"); + return ret; + } pr_info("exynos-nocp: new NoC Probe device registered: %s\n", dev_name(dev)); -- 2.20.1