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authorDan Carpenter <dan.carpenter@oracle.com>2018-09-10 11:39:04 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-11-25 11:52:21 +0300
commitc83c60771e3bf2445fad590a97111ff418831527 (patch)
treef26c0c8762499298a9390c462afa2f76ffcbfb25 /drivers/power
parentc5e8cbc9ab94d646577576ce6e4db1dbfeec98a4 (diff)
downloadlinux-c83c60771e3bf2445fad590a97111ff418831527.tar.xz
power: supply: ab8500_fg: silence uninitialized variable warnings
[ Upstream commit 54baff8d4e5dce2cef61953b1dc22079cda1ddb1 ] 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> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/supply/ab8500_fg.c31
1 files changed, 12 insertions, 19 deletions
diff --git a/drivers/power/supply/ab8500_fg.c b/drivers/power/supply/ab8500_fg.c
index 2199f673118c..ea8c26a108f0 100644
--- a/drivers/power/supply/ab8500_fg.c
+++ b/drivers/power/supply/ab8500_fg.c
@@ -2437,17 +2437,14 @@ 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)
@@ -2459,20 +2456,16 @@ 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 =