| Message ID | 20191126131554.32457-1-shayne.chen@mediatek.com (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Felix Fietkau |
| Headers | show |
| Series | mt76: fix possible undetected invalid MAC address | expand |
diff --git a/drivers/net/wireless/mediatek/mt76/eeprom.c b/drivers/net/wireless/mediatek/mt76/eeprom.c index 804224e81103..358fb0a1e523 100644 --- a/drivers/net/wireless/mediatek/mt76/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/eeprom.c @@ -80,13 +80,14 @@ mt76_eeprom_override(struct mt76_dev *dev) const u8 *mac; if (!np) - return; + goto out; mac = of_get_mac_address(np); if (!IS_ERR(mac)) ether_addr_copy(dev->macaddr, mac); #endif +out: if (!is_valid_ether_addr(dev->macaddr)) { eth_random_addr(dev->macaddr); dev_info(dev->dev,
Make sure the MAC address is checked before function returns. If CONFIG_OF is set and the device node is null, the function will return directly, and an invalid MAC address will not be checked. Signed-off-by: Shayne Chen <shayne.chen@mediatek.com> --- drivers/net/wireless/mediatek/mt76/eeprom.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)