Re: [PATCH][next] power: supply: bq25980: remove redundant zero check on ret

From: Dan Carpenter
Date: Tue Oct 06 2020 - 13:52:53 EST


On Tue, Oct 06, 2020 at 06:06:00PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Currently ret is assigned to zero and the following statement checks
> if it is non-zero. This check is redundant and can be removed
>
> Addresses-Coverity: ("Logically dead code")
> Fixes: 5069185fc18e ("power: supply: bq25980: Add support for the BQ259xx family")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
> drivers/power/supply/bq25980_charger.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/drivers/power/supply/bq25980_charger.c b/drivers/power/supply/bq25980_charger.c
> index 3995fb7cf060..f04f9acdb13b 100644
> --- a/drivers/power/supply/bq25980_charger.c
> +++ b/drivers/power/supply/bq25980_charger.c
> @@ -613,9 +613,6 @@ static int bq25980_set_battery_property(struct power_supply *psy,
> struct bq25980_device *bq = power_supply_get_drvdata(psy);
> int ret = 0;

I'm surprised this doesn't generate a set but not used warning. And
then at the end of the function it could be changed from "return ret;"
to "return 0;"

regards,
dan carpenter