summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/net/phy/micrel.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 16135ac18bfe..1b3985cdc64c 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -173,6 +173,11 @@ static int kszphy_setup_led(struct phy_device *phydev,
if (of_property_read_u32(of_node, "micrel,led-mode", &val))
return 0;
+ if (val > 3) {
+ dev_err(&phydev->dev, "invalid led mode: 0x%02x\n", val);
+ return -EINVAL;
+ }
+
temp = phy_read(phydev, reg);
if (temp < 0)
return temp;