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| author |   Michal Kazior <michal.kazior@tieto.com> | 2012-06-29 12:47:08 +0200 |
|---|---|---|
| committer |   Johannes Berg <johannes.berg@intel.com> | 2012-06-29 13:39:19 +0200 |
| commit | e4e32459c2daea59516da59999706b357e6eb480 (patch) | |
| tree | 110014ac72ebcf7aed16caa0fa83da75e319fa86 /net/wireless/core.c | |
| parent | cfg80211: add channel checking for iface combinations (diff) | |
| download | linux-dev-e4e32459c2daea59516da59999706b357e6eb480.tar.xz linux-dev-e4e32459c2daea59516da59999706b357e6eb480.zip | |
cfg80211: respect iface combinations when starting operation
devlist_mtx locking is changed to accomodate changes.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/core.c')
| -rw-r--r-- | net/wireless/core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index b26695ad3e97..ca2b95f24846 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -990,7 +990,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, return notifier_from_errno(-EOPNOTSUPP); if (rfkill_blocked(rdev->rfkill)) return notifier_from_errno(-ERFKILL); + mutex_lock(&rdev->devlist_mtx); ret = cfg80211_can_add_interface(rdev, wdev->iftype); + mutex_unlock(&rdev->devlist_mtx); if (ret) return notifier_from_errno(ret); cfg80211_lock_rdev(rdev); |