linux-kernel - [PATCH] memory: ti-aemif: Handle return value of clk_prepare

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Date:   Wed, 31 May 2017 15:55:54 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     ssantosh@...nel.org, gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] memory: ti-aemif: 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 <arvind.yadav.cs@...il.com>
---
 drivers/memory/ti-aemif.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/memory/ti-aemif.c b/drivers/memory/ti-aemif.c
index 22c1aee..2744b1b 100644
--- a/drivers/memory/ti-aemif.c
+++ b/drivers/memory/ti-aemif.c
@@ -357,7 +357,10 @@ static int aemif_probe(struct platform_device *pdev)
 		return PTR_ERR(aemif->clk);
 	}
 
-	clk_prepare_enable(aemif->clk);
+	ret = clk_prepare_enable(aemif->clk);
+	if (ret)
+		return ret;
+
 	aemif->clk_rate = clk_get_rate(aemif->clk) / MSEC_PER_SEC;
 
 	if (of_device_is_compatible(np, "ti,da850-aemif"))
-- 
1.9.1