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P2P: Clean up group formation on network block removal

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If a P2P group network block is removed for any reason (e.g., wps_cancel
command) while the interface is in group formation, remove the group
formation timeout and indicate failure immediately. Previously, this
type of operations could end up leaving the timeout running and result
in somewhat unexpected group formation failure events later.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2011-12-10 12:56:42 +02:00
parent 10cc6c883e
commit 502618f7c1
3 changed files with 19 additions and 0 deletions
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3
wpa_supplicant/notify.c
View file

@ -252,6 +252,9 @@ void wpas_notify_network_removed(struct wpa_supplicant *wpa_s,
wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
if (wpa_s->global->p2p_group_formation != wpa_s)
wpas_dbus_unregister_network(wpa_s, ssid->id);
#ifdef CONFIG_P2P
wpas_p2p_network_removed(wpa_s, ssid);
#endif /* CONFIG_P2P */
}

14
wpa_supplicant/p2p_supplicant.c
View file

@ -4215,3 +4215,17 @@ int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s)
return p2p_in_progress(wpa_s->global->p2p);
}
void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid)
{
if (wpa_s->p2p_in_provisioning && ssid->p2p_group &&
eloop_cancel_timeout(wpas_p2p_group_formation_timeout,
wpa_s->parent, NULL) > 0) {
wpa_printf(MSG_DEBUG, "P2P: Canceled group formation due to "
"P2P group network getting removed");
wpas_p2p_group_formation_timeout(wpa_s->parent, NULL);
}
}

2
wpa_supplicant/p2p_supplicant.h
View file

@ -129,5 +129,7 @@ int wpas_p2p_disconnect(struct wpa_supplicant *wpa_s);
void wpas_p2p_wps_failed(struct wpa_supplicant *wpa_s,
struct wps_event_fail *fail);
int wpas_p2p_in_progress(struct wpa_supplicant *wpa_s);
void wpas_p2p_network_removed(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid);
#endif /* P2P_SUPPLICANT_H */