linux-kernel - [PATCH] bcm590xx: correctly handle return value of i2c_new

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Date:	Mon, 15 Feb 2016 21:35:57 -0500
From:	Insu Yun <wuninsu@...il.com>
To:	lee.jones@...aro.org, linux-kernel@...r.kernel.org
Cc:	taesoo@...ech.edu, yeongjin.jang@...ech.edu, insu@...ech.edu,
	changwoo@...ech.edu, Insu Yun <wuninsu@...il.com>
Subject: [PATCH] bcm590xx: correctly handle return value of i2c_new_dummy()

i2c_new_dummy() returns NULL when failed, not an error code.

Signed-off-by: Insu Yun <wuninsu@...il.com>
---
 drivers/mfd/bcm590xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/bcm590xx.c b/drivers/mfd/bcm590xx.c
index 320aaef..7aaf622 100644
--- a/drivers/mfd/bcm590xx.c
+++ b/drivers/mfd/bcm590xx.c
@@ -67,7 +67,7 @@ static int bcm590xx_i2c_probe(struct i2c_client *i2c_pri,
 	/* Secondary I2C slave address is the base address with A(2) asserted */
 	bcm590xx->i2c_sec = i2c_new_dummy(i2c_pri->adapter,
 					  i2c_pri->addr | BIT(2));
-	if (IS_ERR_OR_NULL(bcm590xx->i2c_sec)) {
+	if (!bcm590xx->i2c_sec) {
 		dev_err(&i2c_pri->dev, "failed to add secondary I2C device\n");
 		return -ENODEV;
 	}
-- 
1.9.1