linux-kernel - [PATCH 23/50] efx: use dev_hw_addr_random() instead of random_ether

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 linux-cve-announce 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:	Wed,  8 Feb 2012 22:10:30 +0100
From:	Danny Kukawka <danny.kukawka@...ect.de>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	Danny Kukawka <dkukawka@...e.de>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Solarflare linux maintainers" <linux-net-drivers@...arflare.com>,
	Ben Hutchings <bhutchings@...arflare.com>
Subject: [PATCH 23/50] efx: use dev_hw_addr_random() instead of random_ether_addr()

Use dev_hw_addr_random() instead of calling random_ether_addr()
to set addr_assign_type correctly to NET_ADDR_RANDOM.

Reset the state to NET_ADDR_PERM as soon as the MAC get
changed via .ndo_set_mac_address.

Signed-off-by: Danny Kukawka <danny.kukawka@...ect.de>
---
 drivers/net/ethernet/sfc/efx.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index e43702f..cce339a 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -940,7 +940,7 @@ static int efx_probe_port(struct efx_nic *efx)
 			rc = -EINVAL;
 			goto err;
 		}
-		random_ether_addr(efx->net_dev->dev_addr);
+		dev_hw_addr_random(efx->net_dev, efx->net_dev->dev_addr);
 		netif_info(efx, probe, efx->net_dev,
 			   "using locally-generated MAC %pM\n",
 			   efx->net_dev->dev_addr);
@@ -1858,6 +1858,8 @@ static int efx_set_mac_address(struct net_device *net_dev, void *data)
 	}
 
 	memcpy(net_dev->dev_addr, new_addr, net_dev->addr_len);
+	if (net_dev->addr_assign_type & NET_ADDR_RANDOM)
+		net_dev->addr_assign_type ^= NET_ADDR_RANDOM;
 
 	/* Reconfigure the MAC */
 	mutex_lock(&efx->mac_lock);
-- 
1.7.7.3

--
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/