From: Bartosz Golaszewski <bgolaszew...@baylibre.com>
We'll soon have more sources from which to read the MAC address in this
routine. Make sure the address is correct before returning it.
Signed-off-by: Bartosz Golaszewski <bgolaszew...@baylibre.com>
---
net/ethernet/eth.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 2a2173324d9e..6b64586fd2af 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -544,7 +544,7 @@ int eth_platform_get_mac_address(struct device *dev, u8
*mac_addr)
from = "arch callback";
}
- if (!addr)
+ if (!addr || !is_valid_ether_addr(addr))
return -ENODEV;
dev_info(dev, "read MAC address from %s\n", from);
--
2.17.1
