lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:	Fri, 17 Oct 2014 12:40:48 -0700
From:	Joe Perches <>
To:	Balavasu <>
Subject: Re: [PATCH] staging: octeon: Replace memcpy with ETH_ALEN

On Sat, 2014-10-18 at 00:17 +0530, Balavasu wrote:
> This patch fixes the issue
> WARNING: memcpy(dev->dev_addr, mac, ETH_ALEN);

That is not the actual warning.

This is the warning:

Prefer ether_addr_copy() over memcpy() if the Ethernet addresses are __aligned(2)

How have you made sure that mac can not have odd alignment?

Make sure your commit message shows how you know
that mac is appropriately aligned.

> diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c
> @@ -452,7 +452,7 @@ int cvm_oct_common_init(struct net_device *dev)
>  		mac = of_get_mac_address(priv->of_node);
>  	if (mac)
> -		memcpy(dev->dev_addr, mac, ETH_ALEN);
> +		ether_addr_copy(dev->dev_addr, mac);
>  	else
>  		eth_hw_addr_random(dev);

To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists