From b672b35143777658cb8801c16427d797430f53e3 Mon Sep 17 00:00:00 2001 From: Andrew Lunn Date: Sun, 5 Jul 2020 21:38:09 +0200 Subject: [PATCH] net: dsa: mv88e6xxx: Remove set but unused variable We don't act on any errors reading registers while handling watchdog interrupt. Since this is an interrupt handler, we cannot return such errors. So just remove the variable. Signed-off-by: Andrew Lunn Signed-off-by: David S. Miller --- drivers/net/dsa/mv88e6xxx/global2.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/dsa/mv88e6xxx/global2.c b/drivers/net/dsa/mv88e6xxx/global2.c index 8fd483020c5b..75b227d0f73b 100644 --- a/drivers/net/dsa/mv88e6xxx/global2.c +++ b/drivers/net/dsa/mv88e6xxx/global2.c @@ -876,19 +876,18 @@ static int mv88e6390_watchdog_setup(struct mv88e6xxx_chip *chip) static int mv88e6390_watchdog_action(struct mv88e6xxx_chip *chip, int irq) { - int err; u16 reg; mv88e6xxx_g2_write(chip, MV88E6390_G2_WDOG_CTL, MV88E6390_G2_WDOG_CTL_PTR_EVENT); - err = mv88e6xxx_g2_read(chip, MV88E6390_G2_WDOG_CTL, ®); + mv88e6xxx_g2_read(chip, MV88E6390_G2_WDOG_CTL, ®); dev_info(chip->dev, "Watchdog event: 0x%04x", reg & MV88E6390_G2_WDOG_CTL_DATA_MASK); mv88e6xxx_g2_write(chip, MV88E6390_G2_WDOG_CTL, MV88E6390_G2_WDOG_CTL_PTR_HISTORY); - err = mv88e6xxx_g2_read(chip, MV88E6390_G2_WDOG_CTL, ®); + mv88e6xxx_g2_read(chip, MV88E6390_G2_WDOG_CTL, ®); dev_info(chip->dev, "Watchdog history: 0x%04x", reg & MV88E6390_G2_WDOG_CTL_DATA_MASK); -- 2.11.0