[PATCH 4/4] net: ksz9477: propagate phy write error

[Gerald Loacker]

Return -EINVAL in case of an address error, otherwise propagate error code.

Signed-off-by: Gerald Loacker <gerald.loacker at wolfvision.net>
---
 drivers/net/ksz9477.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ksz9477.c b/drivers/net/ksz9477.c
index d664b7cf01..0310e0260a 100644
--- a/drivers/net/ksz9477.c
+++ b/drivers/net/ksz9477.c
@@ -48,14 +48,12 @@ static int ksz9477_phy_write16(struct dsa_switch *ds, int addr, int reg,
 
 	/* No real PHY after this. */
 	if (addr >= priv->phy_port_cnt)
-		return 0;
+		return -EINVAL;
 
 	/* No gigabit support.  Do not write to this register. */
 	if (!(priv->features & GBIT_SUPPORT) && reg == MII_CTRL1000)
 		return 0;
-	ksz_pwrite16(priv, addr, 0x100 + (reg << 1), val);
-
-	return 0;
+	return ksz_pwrite16(priv, addr, 0x100 + (reg << 1), val);
 }
 
 static int ksz9477_switch_detect(struct ksz_switch *priv)

-- 
2.37.2