iwlwifi: introduce statistics lock
The statistics are currently only half-heartedly
locked against concurrent reading & modification
so introduce a lock to really protect them.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 0090fab..47c7886 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1233,6 +1233,7 @@
*/
spin_lock_init(&trans(priv)->reg_lock);
spin_lock_init(&priv->shrd->lock);
+ spin_lock_init(&priv->statistics.lock);
/***********************
* 3. Read REV register