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usbnet: sanitise overlong driver information strings

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As seen on smsc75xx, driver_info->description being longer than 32
characters messes up 'ethtool -i' output.

Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Phil Sutter 2012-06-14 01:18:42 +00:00 committed by David S. Miller
parent 0b3f0e7ae0
commit 86a2f415e6
1 changed files with 3 additions and 3 deletions
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6
drivers/net/usb/usbnet.c
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@ -876,9 +876,9 @@ void usbnet_get_drvinfo (struct net_device *net, struct ethtool_drvinfo *info)
{
struct usbnet *dev = netdev_priv(net);
strncpy (info->driver, dev->driver_name, sizeof info->driver);
strncpy (info->version, DRIVER_VERSION, sizeof info->version);
strncpy (info->fw_version, dev->driver_info->description,
strlcpy (info->driver, dev->driver_name, sizeof info->driver);
strlcpy (info->version, DRIVER_VERSION, sizeof info->version);
strlcpy (info->fw_version, dev->driver_info->description,
sizeof info->fw_version);
usb_make_path (dev->udev, info->bus_info, sizeof info->bus_info);
}