From cb121bad67a32cde37adc2729b7e18aa4fd3063e Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Tue, 14 Oct 2008 16:38:55 +0200
Subject: [PATCH] mac80211: add might_sleep to hw_config

Just to catch bugs when changing mac80211.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index ab8a860444af..ffff54944f9d 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -203,6 +203,8 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
 	int ret = 0;
 	int power;
 
+	might_sleep();
+
 	if (local->sw_scanning)
 		chan = local->scan_channel;
 	else