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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6

This commit is contained in:
John W. Linville 2010-05-17 13:31:05 -04:00
parent fd76f148eb b8d92c9c14
commit 0c348d7c14
1 changed files with 25 additions and 2 deletions
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27
net/mac80211/work.c
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@ -32,6 +32,7 @@
#define IEEE80211_MAX_PROBE_TRIES 5
enum work_action {
WORK_ACT_MISMATCH,
WORK_ACT_NONE,
WORK_ACT_TIMEOUT,
WORK_ACT_DONE,
@ -584,7 +585,7 @@ ieee80211_rx_mgmt_auth(struct ieee80211_work *wk,
u16 auth_alg, auth_transaction, status_code;
if (wk->type != IEEE80211_WORK_AUTH)
return WORK_ACT_NONE;
return WORK_ACT_MISMATCH;
if (len < 24 + 6)
return WORK_ACT_NONE;
@ -635,6 +636,9 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_work *wk,
struct ieee802_11_elems elems;
u8 *pos;
if (wk->type != IEEE80211_WORK_ASSOC)
return WORK_ACT_MISMATCH;
/*
* AssocResp and ReassocResp have identical structure, so process both
* of them in this function.
@ -690,6 +694,12 @@ ieee80211_rx_mgmt_probe_resp(struct ieee80211_work *wk,
ASSERT_WORK_MTX(local);
if (wk->type != IEEE80211_WORK_DIRECT_PROBE)
return WORK_ACT_MISMATCH;
if (len < 24 + 12)
return WORK_ACT_NONE;
baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
if (baselen > len)
return WORK_ACT_NONE;
@ -704,7 +714,7 @@ static void ieee80211_work_rx_queued_mgmt(struct ieee80211_local *local,
struct ieee80211_rx_status *rx_status;
struct ieee80211_mgmt *mgmt;
struct ieee80211_work *wk;
enum work_action rma = WORK_ACT_NONE;
enum work_action rma;
u16 fc;
rx_status = (struct ieee80211_rx_status *) skb->cb;
@ -751,7 +761,17 @@ static void ieee80211_work_rx_queued_mgmt(struct ieee80211_local *local,
break;
default:
WARN_ON(1);
rma = WORK_ACT_NONE;
}
/*
* We've either received an unexpected frame, or we have
* multiple work items and need to match the frame to the
* right one.
*/
if (rma == WORK_ACT_MISMATCH)
continue;
/*
* We've processed this frame for that work, so it can't
* belong to another work struct.
@ -761,6 +781,9 @@ static void ieee80211_work_rx_queued_mgmt(struct ieee80211_local *local,
}
switch (rma) {
case WORK_ACT_MISMATCH:
/* ignore this unmatched frame */
break;
case WORK_ACT_NONE:
break;
case WORK_ACT_DONE: