iwlwifi: Fix TKIP update key and get_free_ucode_key
This patch fixes a bug in update_tkip_key: only one key needs to be
allocated in uCode, every time it is updated, the old one will be
overwritten
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index 0ccd156..e4fdfaa 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -43,7 +43,7 @@
int i;
for (i = 0; i < STA_KEY_MAX_NUM; i++)
- if (test_and_set_bit(i, &priv->ucode_key_table))
+ if (!test_and_set_bit(i, &priv->ucode_key_table))
return i;
return -1;
@@ -243,6 +243,8 @@
priv->stations[sta_id].keyinfo.alg = keyconf->alg;
priv->stations[sta_id].keyinfo.conf = keyconf;
priv->stations[sta_id].keyinfo.keylen = 16;
+ priv->stations[sta_id].sta.key.key_offset =
+ iwl_get_free_ucode_key_index(priv);
/* This copy is acutally not needed: we get the key with each TX */
memcpy(priv->stations[sta_id].keyinfo.key, keyconf->key, 16);
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 745b462..0eb4220 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -6810,8 +6810,6 @@
spin_lock_irqsave(&priv->sta_lock, flags);
- priv->stations[sta_id].sta.key.key_offset =
- iwl_get_free_ucode_key_index(priv);
priv->stations[sta_id].sta.key.key_flags = key_flags;
priv->stations[sta_id].sta.key.tkip_rx_tsc_byte2 = (u8) iv32;