linux-kernel - [PATCH 3.2 016/125] mac80211: fix IBSS join by initializing last_scan

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Message-ID: <lsq.1404846110.26812079@decadent.org.uk>
Date:	Tue, 08 Jul 2014 20:01:50 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org,
	"Johannes Berg" <johannes.berg@...el.com>,
	"Krzysztof Hałasa" <khalasa@...p.pl>
Subject: [PATCH 3.2 016/125] mac80211: fix IBSS join by initializing
 last_scan_completed

3.2.61-rc1 review patch.  If anyone has any objections, please let me know.

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

From: Krzysztof Hałasa <khalasa@...p.pl>

commit c7d37a66e345df2fdf1aa7b2c9a6d3d53846ca5b upstream.

Without this fix, freshly rebooted Linux creates a new IBSS
instead of joining an existing one. Only when jiffies counter
overflows after 5 minutes the IBSS can be successfully joined.

Signed-off-by: Krzysztof Hałasa <khalasa@...p.pl>
[edit commit message slightly]
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 net/mac80211/ibss.c | 1 +
 1 file changed, 1 insertion(+)

--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -914,6 +914,7 @@ int ieee80211_ibss_join(struct ieee80211
 
 	sdata->u.ibss.privacy = params->privacy;
 	sdata->u.ibss.basic_rates = params->basic_rates;
+	sdata->u.ibss.last_scan_completed = jiffies;
 	memcpy(sdata->vif.bss_conf.mcast_rate, params->mcast_rate,
 	       sizeof(params->mcast_rate));
 

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