linux-kernel - [PATCH 3.11 109/128] hwmon: (emc2103) Fix return value

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Message-Id: <1406195177-8656-110-git-send-email-luis.henriques@canonical.com>
Date:	Thu, 24 Jul 2014 10:45:58 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Sachin Kamat <sachin.kamat@...aro.org>,
	Steve Glendinning <steve.glendinning@...well.net>,
	Guenter Roeck <linux@...ck-us.net>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.11 109/128] hwmon: (emc2103) Fix return value

3.11.10.14 -stable review patch.  If anyone has any objections, please let me know.

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

From: Sachin Kamat <sachin.kamat@...aro.org>

commit 1a3abbd0b9a16e40fd4718f99896c437a193c0a1 upstream.

kstrtol() returns appropriate error values. Use those instead of
hardcoding. Silences several sparse messages of following type:
"why not propagate 'result' from kstrtol() instead of (-22)?"

Signed-off-by: Sachin Kamat <sachin.kamat@...aro.org>
Cc: Steve Glendinning <steve.glendinning@...well.net>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 drivers/hwmon/emc2103.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/hwmon/emc2103.c b/drivers/hwmon/emc2103.c
index b07305622087..2c137b26acb4 100644
--- a/drivers/hwmon/emc2103.c
+++ b/drivers/hwmon/emc2103.c
@@ -248,7 +248,7 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *da,
 
 	int result = kstrtol(buf, 10, &val);
 	if (result < 0)
-		return -EINVAL;
+		return result;
 
 	val = DIV_ROUND_CLOSEST(val, 1000);
 	if ((val < -63) || (val > 127))
@@ -272,7 +272,7 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *da,
 
 	int result = kstrtol(buf, 10, &val);
 	if (result < 0)
-		return -EINVAL;
+		return result;
 
 	val = DIV_ROUND_CLOSEST(val, 1000);
 	if ((val < -63) || (val > 127))
@@ -320,7 +320,7 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
 
 	int status = kstrtol(buf, 10, &new_div);
 	if (status < 0)
-		return -EINVAL;
+		return status;
 
 	if (new_div == old_div) /* No change */
 		return count;
@@ -394,7 +394,7 @@ static ssize_t set_fan_target(struct device *dev, struct device_attribute *da,
 
 	int result = kstrtol(buf, 10, &rpm_target);
 	if (result < 0)
-		return -EINVAL;
+		return result;
 
 	/* Datasheet states 16384 as maximum RPM target (table 3.2) */
 	if ((rpm_target < 0) || (rpm_target > 16384))
@@ -440,7 +440,7 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *da,
 
 	int result = kstrtol(buf, 10, &new_value);
 	if (result < 0)
-		return -EINVAL;
+		return result;
 
 	mutex_lock(&data->update_lock);
 	switch (new_value) {
-- 
1.9.1

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