Cumulative patch from commit 7efc7f66b1d63b3bbb99d9176f6f68c4d1fc6327

7efc7f6 TDLS: Fix TPK M1 error case (CID 68214)
d1bb7ae nl80211: Fix non-hostapd interface addition to not call add_ifidx()
38ddcca TDLS: Add ctrl_iface option for flushing all TDLS peers
342bce6 TDLS: Bail on STA add failure in tpk_m1 processing
947f900 TDLS: Handle unreachable link teardown for external setup
cf1600a hostapd: Configure driver ACL even if MAC address list is empty
fa21e6c Fix CONFIG_MODULE_TESTS=y build without CONFIG_P2P=y
bd10d93 P2P: Clean up by moving ifdef CONFIG_P2P to p2p_suppplicant.h
e3bd6e9 P2P: Use another interface operating channel as listen channel
28812a8 P2P: Try using one of the social channels for GO
751b00b P2P: Modify p2p_get_pref_freq
0a816e8 P2P: Remove duplicated code from get_shared_radio_freqs_data()
504df28 Remove unused dump_freq_array()
a0c90bb P2P: Collect and use extended data on used frequencies
b278f32 P2P: Remove unused code from get_shared_radio_freqs_data()
e627012 Clean up EAPOL-Key Key Data processing
d56d7e5 Clean up EAPOL-Key processing
8605eab EAP-EKE: Fix typos in debug message
25be28a dbus: Check return value more consistently (CID 62841)
ac79fcf wext: Verify set_ssid results consistently (CID 62842)
f62415d Note chmod() failure in debug log even in ignore case (CID 62843)
305000e WPS: Check wps_build_wfa_ext() return value consistently (CID 68104)
2485835 EAP-MSCHAPv2: Check hash function results more consistently (CID 68105)
b7c61c9 Fix validation of EAPOL-Key length with AES key wrap (CID 62859)

Change-Id: I4da11c59a54467301c38c3bec52629b9db19647d
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/p2p/p2p_utils.c b/src/p2p/p2p_utils.c
index ac19064..189300a 100644
--- a/src/p2p/p2p_utils.c
+++ b/src/p2p/p2p_utils.c
@@ -388,17 +388,19 @@
 			       const struct p2p_channels *channels)
 {
 	unsigned int i;
-	int freq;
+	int freq = 0;
+	const struct p2p_channels *tmpc = channels ?
+		channels : &p2p->cfg->channels;
+
+	if (tmpc == NULL)
+		return 0;
 
 	for (i = 0; p2p->cfg->pref_chan && i < p2p->cfg->num_pref_chan; i++) {
 		freq = p2p_channel_to_freq(p2p->cfg->pref_chan[i].op_class,
 					   p2p->cfg->pref_chan[i].chan);
-		if (freq <= 0)
-			continue;
-		if (!channels || p2p_channels_includes_freq(channels, freq))
+		if (p2p_channels_includes_freq(tmpc, freq))
 			return freq;
 	}
-
 	return 0;
 }