mwifiex: use maximum ssid length as 0xfe for p2p

0xfe is basically a magic number used to ask firmware match
provided string in a SSID. In this case, firmware will
return scan results containing"DIRECT-" string.

Signed-off-by: Aniket Nagarnaik <aniketn@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index ef2bef8..ef8da8e 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -909,6 +909,10 @@
 				wildcard_ssid_tlv->max_ssid_length =
 							IEEE80211_MAX_SSID_LEN;
 
+			if (!memcmp(user_scan_in->ssid_list[i].ssid,
+				    "DIRECT-", 7))
+				wildcard_ssid_tlv->max_ssid_length = 0xfe;
+
 			memcpy(wildcard_ssid_tlv->ssid,
 			       user_scan_in->ssid_list[i].ssid, ssid_len);