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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Karthik D A <karthida@marvell.com>,
        Amitkumar Karwar <akarwar@marvell.com>,
        Kalle Valo <kvalo@codeaurora.org>,
        Amit Pundir <amit.pundir@linaro.org>
Subject: [PATCH 4.9 74/92] mwifiex: fix p2p device doesnt find in scan problem
Date:   Thu, 29 Nov 2018 15:12:43 +0100
Message-Id: <20181129140112.396794586@linuxfoundation.org>
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4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Karthik D A <karthida@marvell.com>

commit 3d8bd85c2c9e47ed2c82348aa5b6029ed48376ae upstream.

Marvell p2p device disappears from the list of p2p peers on the other
p2p device after disconnection.

It happens due to a bug in driver. When interface is changed from p2p
to station, certain variables(bss_type, bss_role etc.) aren't correctly
updated. This patch corrects them to fix the issue.

Signed-off-by: Karthik D A <karthida@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/net/wireless/marvell/mwifiex/cfg80211.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
@@ -1209,6 +1209,12 @@ mwifiex_cfg80211_change_virtual_intf(str
 			priv->adapter->curr_iface_comb.p2p_intf--;
 			priv->adapter->curr_iface_comb.sta_intf++;
 			dev->ieee80211_ptr->iftype = type;
+			if (mwifiex_deinit_priv_params(priv))
+				return -1;
+			if (mwifiex_init_new_priv_params(priv, dev, type))
+				return -1;
+			if (mwifiex_sta_init_cmd(priv, false, false))
+				return -1;
 			break;
 		case NL80211_IFTYPE_ADHOC:
 			if (mwifiex_cfg80211_deinit_p2p(priv))