The err variable is not being reset after a successful read. Explicitly reset err variable to account for all return paths. Reported-by: Jens-Peter Oswald <oswald@xxxxxx> Signed-off-by: Akshay Bhat <akshay.bhat@xxxxxxxxxxx> --- drivers/rtc/rtc-rx8010.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/rtc/rtc-rx8010.c b/drivers/rtc/rtc-rx8010.c index 2e06e5f..1ce2078 100644 --- a/drivers/rtc/rtc-rx8010.c +++ b/drivers/rtc/rtc-rx8010.c @@ -223,6 +223,7 @@ static int rx8010_init_client(struct i2c_client *client) 2, ctrl); if (err != 2) return err < 0 ? err : -EIO; + err = 0; if (ctrl[0] & RX8010_FLAG_VLF) dev_warn(&client->dev, "Frequency stop was detected\n"); @@ -261,6 +262,7 @@ static int rx8010_read_alarm(struct device *dev, struct rtc_wkalrm *t) err = i2c_smbus_read_i2c_block_data(client, RX8010_ALMIN, 3, alarmvals); if (err != 3) return err < 0 ? err : -EIO; + err = 0; flagreg = i2c_smbus_read_byte_data(client, RX8010_FLAG); if (flagreg < 0) -- 2.7.4
