linux-kernel - [PATCH 07/12] usb/rtl8150: check given MAC address, if invalid return -EADDRNOTAVAIL

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Message-Id: <1330099282-4588-8-git-send-email-danny.kukawka@bisect.de>
Date:	Fri, 24 Feb 2012 17:01:17 +0100
From:	Danny Kukawka <danny.kukawka@...ect.de>
To:	Petko Manolov <petkan@...rs.sourceforge.net>
Cc:	Danny Kukawka <dkukawka@...e.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"David S. Miller" <davem@...emloft.net>, linux-usb@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 07/12] usb/rtl8150: check given MAC address, if invalid return -EADDRNOTAVAIL

Check if given address is valid in .ndo_set_mac_address/
rtl8150_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/usb/rtl8150.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
index 6dda2fe..aa539be 100644
--- a/drivers/net/usb/rtl8150.c
+++ b/drivers/net/usb/rtl8150.c
@@ -299,6 +299,9 @@ static int rtl8150_set_mac_address(struct net_device *netdev, void *p)
 	if (netif_running(netdev))
 		return -EBUSY;
 
+	if (!is_valid_ether_addr(addr->sa_data))
+		return -EADDRNOTAVAIL;
+
 	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
 	dbg("%s: Setting MAC address to %pM\n", netdev->name, netdev->dev_addr);
 	/* Set the IDR registers. */
-- 
1.7.8.3

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