[PATCH] i2c : busses : emev2 : Handle return value of clk_prepare_enable

From: Arvind Yadav
Date: Wed May 24 2017 - 10:03:15 EST


clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/i2c/busses/i2c-emev2.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-emev2.c b/drivers/i2c/busses/i2c-emev2.c
index 3129127..d2e8448 100644
--- a/drivers/i2c/busses/i2c-emev2.c
+++ b/drivers/i2c/busses/i2c-emev2.c
@@ -375,7 +375,9 @@ static int em_i2c_probe(struct platform_device *pdev)
if (IS_ERR(priv->sclk))
return PTR_ERR(priv->sclk);

- clk_prepare_enable(priv->sclk);
+ ret = clk_prepare_enable(priv->sclk);
+ if (ret)
+ return ret;

priv->adap.timeout = msecs_to_jiffies(100);
priv->adap.retries = 5;
--
1.9.1