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WPS: Fix regression in post-WPS scan optimization 

Commit 3c85f144ce fixed issues with P2P
Action frame TX after disconnection by clearing wpa_s->assoc_freq.
This resulted in a regression to the post-WPS scan optimization that
used wpa_s->assoc_freq to enable fast single-channel scan. Fix this by
copying wpa_s->assoc_freq to a local variable before calling
wpa_supplicant_deauthenticate() that ends up calling
wpa_supplicant_mark_disassoc() which will clear assoc_freq.

Reported-by: Angie Chinchilla <angie.v.chinchilla@intel.com>
intended-for: hostap-1
Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2012-02-12 13:54:15 +02:00
parent 0f3d578efc
commit a565c23bf3
1 changed files with 4 additions and 2 deletions
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6
wpa_supplicant/wps_supplicant.c
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@ -71,8 +71,10 @@ int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid &&
!(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
int disabled = wpa_s->current_ssid->disabled;
unsigned int freq = wpa_s->assoc_freq;
wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
"try to associate with the received credential");
"try to associate with the received credential "
"(freq=%u)", freq);
wpa_supplicant_deauthenticate(wpa_s,
WLAN_REASON_DEAUTH_LEAVING);
if (disabled) {
@ -81,7 +83,7 @@ int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
return 1;
}
wpa_s->after_wps = 5;
wpa_s->wps_freq = wpa_s->assoc_freq;
wpa_s->wps_freq = freq;
wpa_s->normal_scans = 0;
wpa_s->reassociate = 1;
wpa_supplicant_req_scan(wpa_s, 0, 0);