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P2P: Fix P2P IE generation for AssocReq when BSS info is not available

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This code could segfault on NULL pointer dereference at least when
ap_scan=2 is used.
This commit is contained in:
Jouni Malinen 2010-07-29 16:09:38 -07:00 committed by Jouni Malinen
parent c4ea4c5c90
commit e1f1509bb0
1 changed files with 2 additions and 0 deletions
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2
wpa_supplicant/p2p_supplicant.c
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@ -3019,6 +3019,8 @@ int wpas_p2p_assoc_req_ie(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
return -1; return -1;
if (wpa_s->global->p2p == NULL) if (wpa_s->global->p2p == NULL)
return -1; return -1;
if (bss == NULL)
return -1;
p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE); p2p_ie = wpa_bss_get_vendor_ie_multi(bss, P2P_IE_VENDOR_TYPE);
ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len, ret = p2p_assoc_req_ie(wpa_s->global->p2p, bss->bssid, buf, len,