[ 042/102] mac80211: fix monitor interface suspend crash regression

2013-08-08 Thread Greg Kroah-Hartman
3.10-stable review patch.  If anyone has any objections, please let me know.

--

From: Stanislaw Gruszka 

commit cd34f647a78e7f2296fcb72392b9e5c832793e65 upstream.

My commit:

commit 12e7f517029dad819c45eca9ca01fdb9ba57616b
Author: Stanislaw Gruszka 
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=137391815113860=2

Bisected-by: Ortwin Glück 
Reported-and-tested-by: Ortwin Glück 
Signed-off-by: Stanislaw Gruszka 
Signed-off-by: Johannes Berg 
Signed-off-by: Greg Kroah-Hartman 

---
 net/mac80211/pm.c |7 +--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -99,10 +99,13 @@ int __ieee80211_suspend(struct ieee80211
}
mutex_unlock(>sta_mtx);
 
-   /* remove all interfaces */
+   /* remove all interfaces that were created in the driver */
list_for_each_entry(sdata, >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);
}
 


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[ 042/102] mac80211: fix monitor interface suspend crash regression

2013-08-08 Thread Greg Kroah-Hartman
3.10-stable review patch.  If anyone has any objections, please let me know.

--

From: Stanislaw Gruszka sgrus...@redhat.com

commit cd34f647a78e7f2296fcb72392b9e5c832793e65 upstream.

My commit:

commit 12e7f517029dad819c45eca9ca01fdb9ba57616b
Author: Stanislaw Gruszka sgrus...@redhat.com
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-kernelm=137391815113860w=2

Bisected-by: Ortwin Glück o...@odi.ch
Reported-and-tested-by: Ortwin Glück o...@odi.ch
Signed-off-by: Stanislaw Gruszka sgrus...@redhat.com
Signed-off-by: Johannes Berg johannes.b...@intel.com
Signed-off-by: Greg Kroah-Hartman gre...@linuxfoundation.org

---
 net/mac80211/pm.c |7 +--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -99,10 +99,13 @@ int __ieee80211_suspend(struct ieee80211
}
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);
}
 


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