power: supply: ab8500_fg: silence uninitialized variable warnings

If kstrtoul() fails then we print "charge_full" when it's uninitialized.
The debug printk doesn't add anything so I deleted it and cleaned these
two functions up a bit.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

diff --git a/drivers/power/supply/ab8500_fg.c b/drivers/power/supply/ab8500_fg.c
index 2bdadb5..776102c 100644 (file)
--- a/drivers/power/supply/ab8500_fg.c
+++ b/drivers/power/supply/ab8500_fg.c
@@ -2433,17 +2433,14 @@ static ssize_t charge_full_store(struct ab8500_fg *di, const char *buf,
                                 size_t count)
 {
        unsigned long charge_full;
-       ssize_t ret;
+       int ret;
 
        ret = kstrtoul(buf, 10, &charge_full);
+       if (ret)
+               return ret;
 
-       dev_dbg(di->dev, "Ret %zd charge_full %lu", ret, charge_full);
-
-       if (!ret) {
-               di->bat_cap.max_mah = (int) charge_full;
-               ret = count;
-       }
-       return ret;
+       di->bat_cap.max_mah = (int) charge_full;
+       return count;
 }
 
 static ssize_t charge_now_show(struct ab8500_fg *di, char *buf)
@@ -2455,20 +2452,16 @@ static ssize_t charge_now_store(struct ab8500_fg *di, const char *buf,
                                 size_t count)
 {
        unsigned long charge_now;
-       ssize_t ret;
+       int ret;
 
        ret = kstrtoul(buf, 10, &charge_now);
+       if (ret)
+               return ret;
 
-       dev_dbg(di->dev, "Ret %zd charge_now %lu was %d",
-               ret, charge_now, di->bat_cap.prev_mah);
-
-       if (!ret) {
-               di->bat_cap.user_mah = (int) charge_now;
-               di->flags.user_cap = true;
-               ret = count;
-               queue_delayed_work(di->fg_wq, &di->fg_periodic_work, 0);
-       }
-       return ret;
+       di->bat_cap.user_mah = (int) charge_now;
+       di->flags.user_cap = true;
+       queue_delayed_work(di->fg_wq, &di->fg_periodic_work, 0);
+       return count;
 }
 
 static struct ab8500_fg_sysfs_entry charge_full_attr =