[patch] w1: silence an uninitialized variable warning

[Dan Carpenter]

If kstrtoint() returns -ERANGE then "tmp" is uninitialized.

Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 89a7847..bb34362 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -335,7 +335,7 @@ static ssize_t 
w1_master_attribute_store_max_slave_count(struct device *dev,
        int tmp;
        struct w1_master *md = dev_to_w1_master(dev);
 
-       if (kstrtoint(buf, 0, &tmp) == -EINVAL || tmp < 1)
+       if (kstrtoint(buf, 0, &tmp) || tmp < 1)
                return -EINVAL;
 
        mutex_lock(&md->mutex);