linux-kernel - [PATCH] mfd: max8997: Return proper error if pdata is NULL

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Date:	Wed, 06 Feb 2013 23:30:29 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Samuel Ortiz <sameo@...ux.intel.com>
Cc:	MyungJoo Ham <myungjoo.ham@...sung.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] mfd: max8997: Return proper error if pdata is NULL

Return proper error instead of 0 if pdata is NULL.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/mfd/max8997.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c
index 1471405..823f34b 100644
--- a/drivers/mfd/max8997.c
+++ b/drivers/mfd/max8997.c
@@ -209,8 +209,10 @@ static int max8997_i2c_probe(struct i2c_client *i2c,
 		}
 	}
 
-	if (!pdata)
+	if (!pdata) {
+		ret = -EINVAL;
 		goto err;
+	}
 
 	max8997->pdata = pdata;
 	max8997->ono = pdata->ono;
-- 
1.7.9.5



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