Smatch static checker correctly detected an impossible condition because chip_id was declared as u8, instead of int:
drivers/power/bq25890_charger.c:843 bq25890_probe() warn: impossible condition '(bq->chip_id < 0) => (0-255 < 0)' Also, while at it, fix the return value too. Signed-off-by: Laurentiu Palcu <[email protected]> Reported-by: Dan Carpenter <[email protected]> --- drivers/power/bq25890_charger.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/power/bq25890_charger.c b/drivers/power/bq25890_charger.c index c7b4903..16b7c7bc 100644 --- a/drivers/power/bq25890_charger.c +++ b/drivers/power/bq25890_charger.c @@ -99,7 +99,7 @@ struct bq25890_device { struct regmap *rmap; struct regmap_field *rmap_fields[F_MAX_FIELDS]; - u8 chip_id; + int chip_id; struct bq25890_init_data init_data; struct bq25890_state state; @@ -842,7 +842,7 @@ static int bq25890_probe(struct i2c_client *client, bq->chip_id = bq25890_field_read(bq, F_PN); if (bq->chip_id < 0) { dev_err(dev, "Cannot read chip ID.\n"); - return ret; + return bq->chip_id; } if (bq->chip_id != BQ25890_ID) { -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
