net: dsa: bcm_sf2: Propagate error value from mdio_write
Both bcm_sf2_sw_indir_rw and mdiobus_write_nested could fail, so let's
return their error codes upstream.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index aa4a1f5..361fbde 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -303,11 +303,10 @@ static int bcm_sf2_sw_mdio_write(struct mii_bus *bus, int addr, int regnum,
* send them to our master MDIO bus controller
*/
if (addr == BRCM_PSEUDO_PHY_ADDR && priv->indir_phy_mask & BIT(addr))
- bcm_sf2_sw_indir_rw(priv, 0, addr, regnum, val);
+ return bcm_sf2_sw_indir_rw(priv, 0, addr, regnum, val);
else
- mdiobus_write_nested(priv->master_mii_bus, addr, regnum, val);
-
- return 0;
+ return mdiobus_write_nested(priv->master_mii_bus, addr,
+ regnum, val);
}
static irqreturn_t bcm_sf2_switch_0_isr(int irq, void *dev_id)