[PATCH v2] net: dsa: mv88e6xxx: error handling for serdes_power functions
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STALE1772d
From: Ameer Hamza <hidden>
Date: 2021-12-08 14:04:25
Also in:
lkml
Subsystem:
marvell 88e6xxx ethernet switch fabric driver, networking drivers, networking [dsa], the rest · Maintainers:
Andrew Lunn, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Vladimir Oltean, Linus Torvalds
mv88e6390_serdes_power() and mv88e6393x_serdes_power() should return with EINVAL error if cmode is undefined. Signed-off-by: Ameer Hamza <redacted> --- drivers/net/dsa/mv88e6xxx/serdes.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index 33727439724a..f3dc1865f291 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c@@ -830,7 +830,7 @@ int mv88e6390_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane, bool up) { u8 cmode = chip->ports[port].cmode; - int err = 0; + int err; switch (cmode) { case MV88E6XXX_PORT_STS_CMODE_SGMII:
@@ -842,6 +842,8 @@ int mv88e6390_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane, case MV88E6XXX_PORT_STS_CMODE_RXAUI: err = mv88e6390_serdes_power_10g(chip, lane, up); break; + default: + return -EINVAL; } if (!err && up)
@@ -1507,7 +1509,7 @@ int mv88e6393x_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane, bool on) { u8 cmode = chip->ports[port].cmode; - int err = 0; + int err; if (port != 0 && port != 9 && port != 10) return -EOPNOTSUPP;
@@ -1541,6 +1543,8 @@ int mv88e6393x_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane, case MV88E6393X_PORT_STS_CMODE_10GBASER: err = mv88e6390_serdes_power_10g(chip, lane, on); break; + default: + return -EINVAL; } if (err)
--
2.25.1