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Patch "mac80211: fix CSA in IBSS mode" has been added to the 4.4-stable tree

PATCH [email protected] 1 participant 1 message Jun 18, 2017

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This is a note to let you know that I've just added the patch titled

mac80211: fix CSA in IBSS mode

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:

     mac80211-fix-csa-in-ibss-mode.patch

and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From f181d6a3bcc35633facf5f3925699021c13492c5 Mon Sep 17 00:00:00 2001

From: Koen Vandeputte <[email protected]>
Date: Wed, 8 Feb 2017 15:32:05 +0100
Subject: mac80211: fix CSA in IBSS mode
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Koen Vandeputte <[email protected]>

commit f181d6a3bcc35633facf5f3925699021c13492c5 upstream.

Add the missing IBSS capability flag during capability init as it needs to be inserted into the generated beacon in order for CSA to work.

Fixes cd7760e62c2ac ("mac80211: add support for CSA in IBSS mode")
---
 net/mac80211/ibss.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
net/mac80211/ibss.c +2 -2
@@ -486,14 +486,14 @@ int ieee80211_ibss_csa_beacon(struct iee
 	struct beacon_data *presp, *old_presp;
 	struct cfg80211_bss *cbss;
 	const struct cfg80211_bss_ies *ies;
-	u16 capability = 0;
+	u16 capability = WLAN_CAPABILITY_IBSS;
 	u64 tsf;
 	int ret = 0;
 
 	sdata_assert_lock(sdata);
 
 	if (ifibss->privacy)
-		capability = WLAN_CAPABILITY_PRIVACY;
+		capability |= WLAN_CAPABILITY_PRIVACY;
 
 	cbss = cfg80211_get_bss(sdata->local->hw.wiphy, ifibss->chandef.chan,
 				ifibss->bssid, ifibss->ssid,

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/mac80211-fix-csa-in-ibss-mode.patch