[patch v2] w1: small type cleanup in sysfs

[Dan Carpenter]

On 64 bit systems, a large value for "long tmp" is truncated when
assigning to "int md->max_slave_count" so we still end up with a value
less than one despite the "tmp < 1" check.

This is more of a problem for static checkers than a real life issue,
but it's simple enough to fix.

Acked-by: David Fries <david@xxxxxxxxx>
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
v2: clarified the commit message

diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 9eb816b2ea5e..b96f61b15dc6 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -320,10 +320,10 @@ static ssize_t w1_master_attribute_show_timeout(struct device *dev, struct devic
 static ssize_t w1_master_attribute_store_max_slave_count(struct device *dev,
 	struct device_attribute *attr, const char *buf, size_t count)
 {
-	long tmp;
+	int tmp;
 	struct w1_master *md = dev_to_w1_master(dev);
 
-	if (kstrtol(buf, 0, &tmp) == -EINVAL || tmp < 1)
+	if (kstrtoint(buf, 0, &tmp) == -EINVAL || tmp < 1)
 		return -EINVAL;
 
 	mutex_lock(&md->mutex);

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