From: John W. Linville Date: Fri, 28 Jun 2013 17:18:21 +0000 (-0400) Subject: Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel... X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=57ed5cd695d7373b8ae0ae9f10fe945e774d58f0;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-next into for-davem Conflicts: net/wireless/nl80211.c --- 57ed5cd695d7373b8ae0ae9f10fe945e774d58f0 diff --cc net/wireless/nl80211.c index e545023e2871,7dc3343427c1..1cc47aca7f05 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@@ -1520,47 -1562,23 +1562,25 @@@ static int nl80211_dump_wiphy_parse(str static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) { int idx = 0, ret; - int start = cb->args[0]; + struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; struct cfg80211_registered_device *dev; - s64 filter_wiphy = -1; - bool split = false; - struct nlattr **tb; - int res; - - /* will be zeroed in nlmsg_parse() */ - tb = kmalloc(sizeof(*tb) * (NL80211_ATTR_MAX + 1), GFP_KERNEL); - if (!tb) - return -ENOMEM; rtnl_lock(); - - res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, - tb, NL80211_ATTR_MAX, nl80211_policy); - if (res == 0) { - split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; - if (tb[NL80211_ATTR_WIPHY]) - filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); - if (tb[NL80211_ATTR_WDEV]) - filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; - if (tb[NL80211_ATTR_IFINDEX]) { - struct net_device *netdev; - int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); - - netdev = dev_get_by_index(sock_net(skb->sk), ifidx); - if (!netdev) { - rtnl_unlock(); - kfree(tb); - return -ENODEV; - } - if (netdev->ieee80211_ptr) { - dev = wiphy_to_dev( - netdev->ieee80211_ptr->wiphy); - filter_wiphy = dev->wiphy_idx; - } - dev_put(netdev); + if (!state) { + state = kzalloc(sizeof(*state), GFP_KERNEL); - if (!state) ++ if (!state) { ++ rtnl_unlock(); + return -ENOMEM; + } + state->filter_wiphy = -1; + ret = nl80211_dump_wiphy_parse(skb, cb, state); + if (ret) { + kfree(state); + rtnl_unlock(); + return ret; + } + cb->args[0] = (long)state; } - kfree(tb); list_for_each_entry(dev, &cfg80211_rdev_list, list) { if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))