linux-kernel - [18/20] hwmon: (sht15) fix bad error code

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Message-Id: <20120201201532.550589357@clark.kroah.org>
Date:	Wed, 01 Feb 2012 12:14:20 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk,
	Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
	Guenter Roeck <guenter.roeck@...csson.com>
Subject: [18/20] hwmon: (sht15) fix bad error code

2.6.32-longterm review patch.  If anyone has any objections, please let me know.

------------------

From: Vivien Didelot <vivien.didelot@...oirfairelinux.com>

commit 6edf3c30af01854c416f8654d3d5d2652470afd4 upstream.

When no platform data was supplied, returned error code was 0.

Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Signed-off-by: Guenter Roeck <guenter.roeck@...csson.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/hwmon/sht15.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/hwmon/sht15.c
+++ b/drivers/hwmon/sht15.c
@@ -515,7 +515,7 @@ static int sht15_invalidate_voltage(stru
 
 static int __devinit sht15_probe(struct platform_device *pdev)
 {
-	int ret = 0;
+	int ret;
 	struct sht15_data *data = kzalloc(sizeof(*data), GFP_KERNEL);
 
 	if (!data) {
@@ -532,6 +532,7 @@ static int __devinit sht15_probe(struct
 	init_waitqueue_head(&data->wait_queue);
 
 	if (pdev->dev.platform_data == NULL) {
+		ret = -EINVAL;
 		dev_err(&pdev->dev, "no platform data supplied");
 		goto err_free_data;
 	}


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