diff options
| author | John W. Linville <linville@tuxdriver.com> | 2011-05-16 14:55:42 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-05-16 19:32:19 -0400 |
| commit | e00cf3b9eb7839b952e434a75bff6b99e47337ac (patch) | |
| tree | ef583ab8ac09bf703026650d4bc7777e6a3864d3 /net/mac80211/ibss.c | |
| parent | 1a8218e96271790a07dd7065a2ef173e0f67e328 (diff) | |
| parent | 3b8ab88acaceb505aa06ef3bbf3a73b92470ae78 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts:
drivers/net/wireless/iwlwifi/iwl-agn-tx.c
net/mac80211/sta_info.h
Diffstat (limited to 'net/mac80211/ibss.c')
| -rw-r--r-- | net/mac80211/ibss.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index b81860c9469..421eaa6b0c2 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -662,12 +662,16 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata, int tx_last_beacon, len = req->len; struct sk_buff *skb; struct ieee80211_mgmt *resp; + struct sk_buff *presp; u8 *pos, *end; lockdep_assert_held(&ifibss->mtx); + presp = rcu_dereference_protected(ifibss->presp, + lockdep_is_held(&ifibss->mtx)); + if (ifibss->state != IEEE80211_IBSS_MLME_JOINED || - len < 24 + 2 || !ifibss->presp) + len < 24 + 2 || !presp) return; tx_last_beacon = drv_tx_last_beacon(local); @@ -705,7 +709,7 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata, } /* Reply with ProbeResp */ - skb = skb_copy(ifibss->presp, GFP_KERNEL); + skb = skb_copy(presp, GFP_KERNEL); if (!skb) return; @@ -985,7 +989,8 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata) /* remove beacon */ kfree(sdata->u.ibss.ie); - skb = sdata->u.ibss.presp; + skb = rcu_dereference_protected(sdata->u.ibss.presp, + lockdep_is_held(&sdata->u.ibss.mtx)); rcu_assign_pointer(sdata->u.ibss.presp, NULL); sdata->vif.bss_conf.ibss_joined = false; ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED | |