linux-kernel - [PATCH 4.9 030/102] mac80211: ibss: Fix channel type enum in ieee80211_sta_join

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Message-Id: <20180406084335.864553789@linuxfoundation.org>
Date:   Fri,  6 Apr 2018 15:23:11 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Matthias Kaehlcke <mka@...omium.org>,
        Johannes Berg <johannes.berg@...el.com>,
        Nathan Chancellor <natechancellor@...il.com>
Subject: [PATCH 4.9 030/102] mac80211: ibss: Fix channel type enum in ieee80211_sta_join_ibss()

4.9-stable review patch.  If anyone has any objections, please let me know.

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

From: Matthias Kaehlcke <mka@...omium.org>

commit a4ac6f2e53e568a77a2eb3710efd99ca08634c0a upstream.

cfg80211_chandef_create() expects an 'enum nl80211_channel_type' as
channel type however in ieee80211_sta_join_ibss()
NL80211_CHAN_WIDTH_20_NOHT is passed in two occasions, which is of
the enum type 'nl80211_chan_width'. Change the value to NL80211_CHAN_NO_HT
(20 MHz, non-HT channel) of the channel type enum.

Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Cc: Nathan Chancellor <natechancellor@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 net/mac80211/ibss.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -427,7 +427,7 @@ static void ieee80211_sta_join_ibss(stru
 	case NL80211_CHAN_WIDTH_5:
 	case NL80211_CHAN_WIDTH_10:
 		cfg80211_chandef_create(&chandef, cbss->channel,
-					NL80211_CHAN_WIDTH_20_NOHT);
+					NL80211_CHAN_NO_HT);
 		chandef.width = sdata->u.ibss.chandef.width;
 		break;
 	case NL80211_CHAN_WIDTH_80:
@@ -439,7 +439,7 @@ static void ieee80211_sta_join_ibss(stru
 	default:
 		/* fall back to 20 MHz for unsupported modes */
 		cfg80211_chandef_create(&chandef, cbss->channel,
-					NL80211_CHAN_WIDTH_20_NOHT);
+					NL80211_CHAN_NO_HT);
 		break;
 	}