diff options
| author | Michal Kazior <michal.kazior@tieto.com> | 2012-06-29 14:47:08 +0400 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2012-06-29 15:39:19 +0400 |
| commit | e4e32459c2daea59516da59999706b357e6eb480 (patch) | |
| tree | 110014ac72ebcf7aed16caa0fa83da75e319fa86 /net/wireless/mlme.c | |
| parent | d4e50c5917e110451ced8f8de594cea858791f37 (diff) | |
| download | linux-e4e32459c2daea59516da59999706b357e6eb480.tar.xz | |
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/mlme.c')
| -rw-r--r-- | net/wireless/mlme.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index a7882eb8c46e..d4fece3bb18a 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -302,8 +302,14 @@ int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, if (!req.bss) return -ENOENT; + err = cfg80211_can_use_chan(rdev, wdev, req.bss->channel, + CHAN_MODE_SHARED); + if (err) + goto out; + err = rdev->ops->auth(&rdev->wiphy, dev, &req); +out: cfg80211_put_bss(req.bss); return err; } @@ -317,11 +323,13 @@ int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, { int err; + mutex_lock(&rdev->devlist_mtx); wdev_lock(dev->ieee80211_ptr); err = __cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, ssid, ssid_len, ie, ie_len, key, key_len, key_idx); wdev_unlock(dev->ieee80211_ptr); + mutex_unlock(&rdev->devlist_mtx); return err; } @@ -397,8 +405,14 @@ int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, return -ENOENT; } + err = cfg80211_can_use_chan(rdev, wdev, req.bss->channel, + CHAN_MODE_SHARED); + if (err) + goto out; + err = rdev->ops->assoc(&rdev->wiphy, dev, &req); +out: if (err) { if (was_connected) wdev->sme_state = CFG80211_SME_CONNECTED; @@ -421,11 +435,13 @@ int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev = dev->ieee80211_ptr; int err; + mutex_lock(&rdev->devlist_mtx); wdev_lock(wdev); err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, ssid, ssid_len, ie, ie_len, use_mfp, crypt, assoc_flags, ht_capa, ht_capa_mask); wdev_unlock(wdev); + mutex_unlock(&rdev->devlist_mtx); return err; } |