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-rw-r--r--drivers/net/dsa/mv88e6xxx/serdes.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index 9424e401dbc7..38c0da2492c0 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c
@@ -646,10 +646,12 @@ static irqreturn_t mv88e6390_serdes_thread_fn(int irq, void *dev_id)
int err;
u8 lane;
- mv88e6xxx_serdes_get_lane(chip, port->port, &lane);
-
mv88e6xxx_reg_lock(chip);
+ err = mv88e6xxx_serdes_get_lane(chip, port->port, &lane);
+ if (err)
+ goto out;
+
switch (cmode) {
case MV88E6XXX_PORT_STS_CMODE_SGMII:
case MV88E6XXX_PORT_STS_CMODE_1000BASEX: