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hostapd: fix a race condition related to assoc response tx status processing

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27022 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2011-05-28 16:27:17 +00:00
parent 5dd09e0454
commit 40a972316b
1 changed files with 48 additions and 0 deletions
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48
package/hostapd/patches/740-process_assoc_resp_tx_status.patch Normal file
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@ -0,0 +1,48 @@
--- a/src/ap/ieee802_11.c
+++ b/src/ap/ieee802_11.c
@@ -1629,13 +1629,6 @@ static void handle_assoc_cb(struct hosta
int new_assoc = 1;
struct ieee80211_ht_capabilities ht_cap;
- if (!ok) {
- hostapd_logger(hapd, mgmt->da, HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_DEBUG,
- "did not acknowledge association response");
- return;
- }
-
if (len < IEEE80211_HDRLEN + (reassoc ? sizeof(mgmt->u.reassoc_resp) :
sizeof(mgmt->u.assoc_resp))) {
printf("handle_assoc_cb(reassoc=%d) - too short payload "
@@ -1643,11 +1636,6 @@ static void handle_assoc_cb(struct hosta
return;
}
- if (reassoc)
- status = le_to_host16(mgmt->u.reassoc_resp.status_code);
- else
- status = le_to_host16(mgmt->u.assoc_resp.status_code);
-
sta = ap_get_sta(hapd, mgmt->da);
if (!sta) {
printf("handle_assoc_cb: STA " MACSTR " not found\n",
@@ -1655,6 +1643,19 @@ static void handle_assoc_cb(struct hosta
return;
}
+ if (!ok) {
+ hostapd_logger(hapd, mgmt->da, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_DEBUG,
+ "did not acknowledge association response");
+ sta->flags &= ~WLAN_STA_ASSOC_REQ_OK;
+ return;
+ }
+
+ if (reassoc)
+ status = le_to_host16(mgmt->u.reassoc_resp.status_code);
+ else
+ status = le_to_host16(mgmt->u.assoc_resp.status_code);
+
if (status != WLAN_STATUS_SUCCESS)
goto fail;