From: Greg KH <gre...@linuxfoundation.org>
3.0-stable review patch. If anyone has any objections, please let me know.
------------------
From: Michal Kazior <michal.kaz...@tieto.com>
commit f8cdddb8d61d16a156229f0910f7ecfc7a82c003 upstream.
Don't validate interface combinations on a stopped
interface. Otherwise we might end up being able to
create a new interface with a certain type, but
won't be able to change an existing interface
into that type.
This also skips some other functions when
interface is stopped and changing interface type.
Signed-off-by: Michal Kazior <michal.kaz...@tieto.com>
Signed-off-by: Johannes Berg <johannes.b...@intel.com>
[Fixes regression introduced by cherry pick of 463454b5dbd8]
Signed-off-by: Paul Gortmaker <paul.gortma...@windriver.com>
---
net/wireless/util.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -807,7 +807,7 @@ int cfg80211_change_iface(struct cfg8021
ntype == NL80211_IFTYPE_P2P_CLIENT))
return -EBUSY;
- if (ntype != otype) {
+ if (ntype != otype && netif_running(dev)) {
err = cfg80211_can_change_interface(rdev, dev->ieee80211_ptr,
ntype);
if (err)
--
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