This was probably missed due to malformed Cc in the commit message.
commit 12e7f517029dad819c45eca9ca01fdb9ba57616b
Author: Stanislaw Gruszka <[email protected]>
Date: Thu Feb 28 10:55:26 2013 +0100
mac80211: cleanup generic suspend/resume procedures
removed check for deleting MONITOR and AP_VLAN when suspend. That can
cause a crash (i.e. in iwlagn_mac_remove_interface()) since we remove
interface in the driver that we did not add before.
Reference:
http://marc.info/?l=linux-kernel&m=137391815113860&w=2
Bisected-by: Ortwin Glück <[email protected]>
Reported-and-tested-by: Ortwin Glück <[email protected]>
Cc: [email protected] # 3.10
Signed-off-by: Stanislaw Gruszka <[email protected]>
---
net/mac80211/pm.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 7fc5d0d..3401262 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -99,10 +99,13 @@ int __ieee80211_suspend(struct ieee80211_hw *hw,
struct cfg80211_wowlan *wowlan)
}
mutex_unlock(&local->sta_mtx);
- /* remove all interfaces */
+ /* remove all interfaces that were created in the driver */
list_for_each_entry(sdata, &local->interfaces, list) {
- if (!ieee80211_sdata_running(sdata))
+ if (!ieee80211_sdata_running(sdata) ||
+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+ sdata->vif.type == NL80211_IFTYPE_MONITOR)
continue;
+
drv_remove_interface(local, sdata);
}
-- 1.7.11.7
--
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