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authorMichal Kazior <michal.kazior@tieto.com>2012-06-29 12:47:08 +0200
committerJohannes Berg <johannes.berg@intel.com>2012-06-29 13:39:19 +0200
commite4e32459c2daea59516da59999706b357e6eb480 (patch)
tree110014ac72ebcf7aed16caa0fa83da75e319fa86 /net/wireless/mlme.c
parentd4e50c5917e110451ced8f8de594cea858791f37 (diff)
downloadop-kernel-dev-e4e32459c2daea59516da59999706b357e6eb480.zip
op-kernel-dev-e4e32459c2daea59516da59999706b357e6eb480.tar.gz
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.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index a7882eb..d4fece3 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;
}
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