linux-kernel - Re: [PATCH 05/12] team: check given MAC address, if invalid return -EADDRNOTAVAIL

lists.openwall.net		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 linux-hardening PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sun, 26 Feb 2012 01:07:09 +0100
From:	Jiri Pirko <jpirko@...hat.com>
To:	Danny Kukawka <danny.kukawka@...ect.de>
Cc:	Danny Kukawka <dkukawka@...e.de>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 05/12] team: check given MAC address, if invalid return
 -EADDRNOTAVAIL

Fri, Feb 24, 2012 at 05:01:15PM CET, danny.kukawka@...ect.de wrote:
>Check if given address is valid in .ndo_set_mac_address, if
>invalid return -EADDRNOTAVAIL as eth_mac_addr() already does
>if is_valid_ether_addr() fails.
>
>Signed-off-by: Danny Kukawka <danny.kukawka@...ect.de>
>---
> drivers/net/team/team.c |    3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
>
>diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
>index 8f81805..788650c 100644
>--- a/drivers/net/team/team.c
>+++ b/drivers/net/team/team.c
>@@ -868,6 +868,9 @@ static int team_set_mac_address(struct net_device *dev, void *p)
> 	struct team_port *port;
> 	struct sockaddr *addr = p;
> 
>+	if (!is_valid_ether_addr(addr->sa_data))
>+		return -EADDRNOTAVAIL;
>+


Wouldn't it be better to do this in one place? dev_set_mac_address()
seems like a good place...

Jirka


> 	dev->addr_assign_type &= ~NET_ADDR_RANDOM;
> 	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
> 	rcu_read_lock();
>-- 
>1.7.8.3
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/