rt2x00: Fix scheduling while atomic errors in usb drivers

Call rt2x00_config_intf() outside of the spinlock context since
the call will sleep for USB drivers. By using the ieee80211_if_conf
values as arguments we make keep access tp rt2x00_intf thread safe
even without the lock.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 8c24d3b36d28..91b62ddbf9f0 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -334,11 +334,18 @@ int rt2x00mac_config_interface(struct ieee80211_hw *hw,
          */
         if (conf->type != IEEE80211_IF_TYPE_AP)
                 memcpy(&intf->bssid, conf->bssid, ETH_ALEN);
-        rt2x00lib_config_intf(rt2x00dev, intf, conf->type, NULL, intf->bssid);
 
         spin_unlock(&intf->lock);
 
         /*
+         * Call rt2x00_config_intf() outside of the spinlock context since
+         * the call will sleep for USB drivers. By using the ieee80211_if_conf
+         * values as arguments we make keep access to rt2x00_intf thread safe
+         * even without the lock.
+         */
+        rt2x00lib_config_intf(rt2x00dev, intf, conf->type, NULL, conf->bssid);
+
+        /*
          * We only need to initialize the beacon when master mode is enabled.
          */
         if (conf->type != IEEE80211_IF_TYPE_AP || !conf->beacon)