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scan: Fix a memory leak on an error path

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If preassoc_mac_addr is used and updating the MAC address fails in
wpas_trigger_scan_cb(), the cloned scan parameters were leaked. Fix that
and also send a CTRL-EVENT-SCAN-FAILED event in this and another error
case.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2016-05-22 18:09:23 +03:00
parent 9ce3e61091
commit 6dc3206ef0
1 changed files with 3 additions and 0 deletions
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3
wpa_supplicant/scan.c
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@ -162,6 +162,8 @@ static void wpas_trigger_scan_cb(struct wpa_radio_work *work, int deinit)
if (wpas_update_random_addr_disassoc(wpa_s) < 0) {
wpa_msg(wpa_s, MSG_INFO,
"Failed to assign random MAC address for a scan");
wpa_scan_free_params(params);
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SCAN_FAILED "ret=-1");
radio_work_done(work);
return;
}
@ -231,6 +233,7 @@ int wpa_supplicant_trigger_scan(struct wpa_supplicant *wpa_s,
if (radio_add_work(wpa_s, 0, "scan", 0, wpas_trigger_scan_cb, ctx) < 0)
{
wpa_scan_free_params(ctx);
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SCAN_FAILED "ret=-1");
return -1;
}