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TDLS: Use existing peer entry if available when processing discovery

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Peer entries were getting added on every discover request from the peer,
thus resulting in multiple entries with the same MAC address. Ensures
that a check is done for the presence of the peer entry and reuse the
existing entry instead of adding a new one.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Sunil Dutt 2013-02-05 13:10:34 +02:00 committed by Jouni Malinen
parent 2b79164f12
commit cd22fbf85c
1 changed files with 11 additions and 4 deletions
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9
src/rsn_supp/tdls.c
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@ -1281,10 +1281,17 @@ wpa_tdls_process_discovery_request(struct wpa_sm *sm, const u8 *addr,
" BSS " MACSTR, MAC2STR(lnkid->bssid));
return -1;
}
/* Find existing entry and if found, use that instead of adding
* a new one */
for (peer = sm->tdls; peer; peer = peer->next) {
if (os_memcmp(peer->addr, addr, ETH_ALEN) == 0)
break;
}
if (peer == NULL) {
peer = wpa_tdls_add_peer(sm, addr);
if (peer == NULL)
return -1;
}
return wpa_tdls_send_discovery_response(sm, peer, dialog_token);
}