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authorJohn W. Linville <linville@tuxdriver.com>2013-06-19 15:24:36 -0400
committerJohn W. Linville <linville@tuxdriver.com>2013-06-19 15:24:36 -0400
commit4067c666f2dccf56f5db5c182713e68c40d46013 (patch)
tree3d43cb644fcd6610fb769a7b675a9c5b652da7fc /net
parenteb064c3b49931dc73bba59887019c7f5cb97d322 (diff)
parent2f2a8846d51ed7342603a8d7c196fcc9e2f8a319 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
Diffstat (limited to 'net')
-rw-r--r--net/wireless/nl80211.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index d5aed3bb3945..b14b7e3cb6e6 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1564,12 +1564,17 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
struct cfg80211_registered_device *dev;
s64 filter_wiphy = -1;
bool split = false;
- struct nlattr **tb = nl80211_fam.attrbuf;
+ 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;
+
mutex_lock(&cfg80211_mutex);
res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
- tb, nl80211_fam.maxattr, nl80211_policy);
+ tb, NL80211_ATTR_MAX, nl80211_policy);
if (res == 0) {
split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP];
if (tb[NL80211_ATTR_WIPHY])
@@ -1583,6 +1588,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
netdev = dev_get_by_index(sock_net(skb->sk), ifidx);
if (!netdev) {
mutex_unlock(&cfg80211_mutex);
+ kfree(tb);
return -ENODEV;
}
if (netdev->ieee80211_ptr) {
@@ -1593,6 +1599,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
dev_put(netdev);
}
}
+ kfree(tb);
list_for_each_entry(dev, &cfg80211_rdev_list, list) {
if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))