linux-kernel - [ 09/89] wireless: allow 40 MHz on world roaming channels 12/13

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Date:	Mon, 03 Dec 2012 14:31:55 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Johannes Berg <johannes.berg@...el.com>,
	Eddie Chapman <eddie@...k.net>,
	"Luis R. Rodriguez" <mcgrof@....qualcomm.com>
Subject: [ 09/89] wireless: allow 40 MHz on world roaming channels 12/13

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

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

From: Johannes Berg <johannes.berg@...el.com>

commit 43c771a1963ab461a2f194e3c97fded1d5fe262f upstream.

When in world roaming mode, allow 40 MHz to be used
on channels 12 and 13 so that an AP that is, e.g.,
using HT40+ on channel 9 (in the UK) can be used.

Reported-by: Eddie Chapman <eddie@...k.net>
Tested-by: Eddie Chapman <eddie@...k.net>
Acked-by: Luis R. Rodriguez <mcgrof@....qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 net/wireless/reg.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index bcc7d7e..b75756b 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -141,9 +141,8 @@ static const struct ieee80211_regdomain world_regdom = {
 	.reg_rules = {
 		/* IEEE 802.11b/g, channels 1..11 */
 		REG_RULE(2412-10, 2462+10, 40, 6, 20, 0),
-		/* IEEE 802.11b/g, channels 12..13. No HT40
-		 * channel fits here. */
-		REG_RULE(2467-10, 2472+10, 20, 6, 20,
+		/* IEEE 802.11b/g, channels 12..13. */
+		REG_RULE(2467-10, 2472+10, 40, 6, 20,
 			NL80211_RRF_PASSIVE_SCAN |
 			NL80211_RRF_NO_IBSS),
 		/* IEEE 802.11 channel 14 - Only JP enables


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