diff options
Diffstat (limited to 'drivers/net/phy')
| -rw-r--r-- | drivers/net/phy/micrel.c | 5 |
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; |