[PATCH] power: supply: rk817: Fix unsigned comparison with less than zero

From: Jiapeng Chong
Date: Tue Dec 13 2022 - 05:19:28 EST


The tmp is defined as u32 type, which results in invalid processing of
tmp<0 in function rk817_read_or_set_full_charge_on_boot(). Therefore,
change the tmp type to int.

drivers/power/supply/rk817_charger.c:828 rk817_read_or_set_full_charge_on_boot() warn: unsigned 'tmp' is never less than zero.
drivers/power/supply/rk817_charger.c:788 rk817_read_or_set_full_charge_on_boot() warn: unsigned 'tmp' is never less than zero.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3444
Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
---
drivers/power/supply/rk817_charger.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/power/supply/rk817_charger.c b/drivers/power/supply/rk817_charger.c
index 4f9c1c417916..7eefbcc0a4e9 100644
--- a/drivers/power/supply/rk817_charger.c
+++ b/drivers/power/supply/rk817_charger.c
@@ -731,8 +731,8 @@ rk817_read_or_set_full_charge_on_boot(struct rk817_charger *charger,
{
struct rk808 *rk808 = charger->rk808;
u8 bulk_reg[4];
- u32 boot_voltage, boot_charge_mah, tmp;
- int ret, reg, off_time;
+ u32 boot_voltage, boot_charge_mah;
+ int ret, reg, off_time, tmp;
bool first_boot;

/*
--
2.20.1.7.g153144c