Thread (24 messages) 24 messages, 4 authors, 2016-09-01

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

From: Zubair Lutfullah Kakakhel <hidden>
Date: 2016-09-01 15:30:46
Also in: lkml, netdev


On 09/01/2016 11:52 AM, Sergei Shtylyov wrote:
Hello.

On 8/31/2016 7:35 PM, Zubair Lutfullah Kakakhel wrote:
quoted
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 <redacted>
[...]
quoted
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.
Спасибо

ZubairLK
[...]

MBR, Sergei
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