diff options
| author | Stanislaw Gruszka <sgruszka@redhat.com> | 2013-01-10 23:19:10 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-02-14 10:48:02 -0800 |
| commit | 10bff21d37cd8751f4fd445dbffd3603f45ff453 (patch) | |
| tree | 3ebf1bf11ddc5b6a74ae1e7beeada143a49948e9 /net | |
| parent | 0e352e0658b3093553aabc80ef8caf6d0024c968 (diff) | |
net, wireless: overwrite default_ethtool_ops
[ Upstream commit d07d7507bfb4e23735c9b83e397c43e1e8a173e8 ]
Since:
commit 2c60db037034d27f8c636403355d52872da92f81
Author: Eric Dumazet <edumazet@google.com>
Date: Sun Sep 16 09:17:26 2012 +0000
net: provide a default dev->ethtool_ops
wireless core does not correctly assign ethtool_ops.
After alloc_netdev*() call, some cfg80211 drivers provide they own
ethtool_ops, but some do not. For them, wireless core provide generic
cfg80211_ethtool_ops, which is assigned in NETDEV_REGISTER notify call:
if (!dev->ethtool_ops)
dev->ethtool_ops = &cfg80211_ethtool_ops;
But after Eric's commit, dev->ethtool_ops is no longer NULL (on cfg80211
drivers without custom ethtool_ops), but points to &default_ethtool_ops.
In order to fix the problem, provide function which will overwrite
default_ethtool_ops and use it by wireless core.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/dev.c | 8 | ||||
| -rw-r--r-- | net/wireless/core.c | 3 |
2 files changed, 9 insertions, 2 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index e5942bf45a6..34707948963 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -6012,6 +6012,14 @@ struct netdev_queue *dev_ingress_queue_create(struct net_device *dev) static const struct ethtool_ops default_ethtool_ops; +void netdev_set_default_ethtool_ops(struct net_device *dev, + const struct ethtool_ops *ops) +{ + if (dev->ethtool_ops == &default_ethtool_ops) + dev->ethtool_ops = ops; +} +EXPORT_SYMBOL_GPL(netdev_set_default_ethtool_ops); + /** * alloc_netdev_mqs - allocate network device * @sizeof_priv: size of private data to allocate space for diff --git a/net/wireless/core.c b/net/wireless/core.c index 3f725305208..d1531e58e19 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -856,8 +856,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, /* allow mac80211 to determine the timeout */ wdev->ps_timeout = -1; - if (!dev->ethtool_ops) - dev->ethtool_ops = &cfg80211_ethtool_ops; + netdev_set_default_ethtool_ops(dev, &cfg80211_ethtool_ops); if ((wdev->iftype == NL80211_IFTYPE_STATION || wdev->iftype == NL80211_IFTYPE_P2P_CLIENT || |