linux-kernel - [PATCH 3.12 096/170] mac80211: fix IBSS join by initializing last_scan

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Date:	Fri, 18 Jul 2014 14:11:41 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Krzysztof Hałasa <khalasa@...p.pl>,
	Johannes Berg <johannes.berg@...el.com>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 096/170] mac80211: fix IBSS join by initializing last_scan_completed

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

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

===============

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>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 net/mac80211/ibss.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index a12afe77bb26..f69cac4bf39f 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -1203,6 +1203,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
 	sdata->u.ibss.privacy = params->privacy;
 	sdata->u.ibss.control_port = params->control_port;
 	sdata->u.ibss.basic_rates = params->basic_rates;
+	sdata->u.ibss.last_scan_completed = jiffies;
 
 	/* fix basic_rates if channel does not support these rates */
 	rate_flags = ieee80211_chandef_rate_flags(&params->chandef);
-- 
2.0.0

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