Re: [Patch v3 08/11] net: ethernet: xilinx: Generate random mac if none found

From: Sergei Shtylyov
Date: Thu Sep 01 2016 - 06:52:48 EST


Hello.

On 8/31/2016 7:35 PM, Zubair Lutfullah Kakakhel wrote:

At the moment, if the emaclite device doesn't find a mac address
from any source, it simply uses 0x0 with a warning printed.

Instead of using a 0x0 mac address, use a randomly generated one.

Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@xxxxxxxxxx>
[...]

diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 3cee84a..22e5a5a 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -1134,8 +1134,10 @@ static int xemaclite_of_probe(struct platform_device *ofdev)
if (mac_address)
/* Set the MAC address. */
memcpy(ndev->dev_addr, mac_address, ETH_ALEN);
- else
- dev_warn(dev, "No MAC address found\n");
+ else {
+ dev_warn(dev, "No MAC address found. Generating Random one\n");
+ eth_hw_addr_random(ndev);
+ }

All branches of the *if* statement should have {} if at least one has them, see Documentation/CodingStyle, chaoter 3.

[...]

MBR, Sergei