X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fhwmon%2Flm73.c;h=376d9d95141a9977500619058a9625864656104b;hb=99f890a5f4de33ca43ea79b7b54241849e4bf904;hp=9e64d96620d39f9087f6ebd71566d6f6f1594afb;hpb=cd3f07d1e6e59fade92a8edaff9315cc534199cf;p=pandora-kernel.git

diff --git a/drivers/hwmon/lm73.c b/drivers/hwmon/lm73.c
index 9e64d96620d3..376d9d95141a 100644
--- a/drivers/hwmon/lm73.c
+++ b/drivers/hwmon/lm73.c
@@ -49,6 +49,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da,
 	struct i2c_client *client = to_i2c_client(dev);
 	long temp;
 	short value;
+	s32 err;
 
 	int status = strict_strtol(buf, 10, &temp);
 	if (status < 0)
@@ -57,8 +58,8 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da,
 	/* Write value */
 	value = (short) SENSORS_LIMIT(temp/250, (LM73_TEMP_MIN*4),
 		(LM73_TEMP_MAX*4)) << 5;
-	i2c_smbus_write_word_swapped(client, attr->index, value);
-	return count;
+	err = i2c_smbus_write_word_swapped(client, attr->index, value);
+	return (err < 0) ? err : count;
 }
 
 static ssize_t show_temp(struct device *dev, struct device_attribute *da,
@@ -66,11 +67,16 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *da,
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
 	struct i2c_client *client = to_i2c_client(dev);
+	int temp;
+
+	s32 err = i2c_smbus_read_word_swapped(client, attr->index);
+	if (err < 0)
+		return err;
+
 	/* use integer division instead of equivalent right shift to
 	   guarantee arithmetic shift and preserve the sign */
-	int temp = ((s16) (i2c_smbus_read_word_swapped(client,
-		    attr->index))*250) / 32;
-	return sprintf(buf, "%d\n", temp);
+	temp = (((s16) err) * 250) / 32;
+	return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
 }