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net: Use device model to get driver name in skb_gso_segment()

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ethtool operations generally require the caller to hold RTNL and are
not safe to call in atomic context.  The device model provides this
information for most devices; we'll only lose it for some old ISA
drivers.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2012-01-16 12:38:59 +00:00 committed by David S. Miller
parent 27a429383b
commit e52ac3398c
1 changed files with 4 additions and 4 deletions
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8
net/core/dev.c
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@ -1962,13 +1962,13 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb,
if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) {
struct net_device *dev = skb->dev;
struct ethtool_drvinfo info = {};
const char *driver = "";
if (dev && dev->ethtool_ops && dev->ethtool_ops->get_drvinfo)
dev->ethtool_ops->get_drvinfo(dev, &info);
if (dev && dev->dev.parent)
driver = dev_driver_string(dev->dev.parent);
WARN(1, "%s: caps=(%pNF, %pNF) len=%d data_len=%d ip_summed=%d\n",
info.driver, dev ? &dev->features : NULL,
driver, dev ? &dev->features : NULL,
skb->sk ? &skb->sk->sk_route_caps : NULL,
skb->len, skb->data_len, skb->ip_summed);