Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Conflicts:

	drivers/net/wireless/iwlwifi/iwl-core.c
	drivers/net/wireless/iwlwifi/iwl-sta.c

1 files changed, 22 insertions, 4 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index f86a8ca2aa3b..4a2479a1622a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -494,7 +494,7 @@ static int iwl_get_free_ucode_key_index(struct iwl_priv *priv)
 		if (!test_and_set_bit(i, &priv->ucode_key_table))
 			return i;
 
-	return -1;
+	return WEP_INVALID_OFFSET;
 }
 
 int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, u8 send_if_empty)
@@ -639,6 +639,9 @@ static int iwl_set_wep_dynamic_key_info(struct iwl_priv *priv,
 	/* else, we are overriding an existing key => no need to allocated room
 	 * in uCode. */
 
+	WARN(priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET,
+		"no space for new kew");
+
 	priv->stations[sta_id].sta.key.key_flags = key_flags;
 	priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
 	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
@@ -656,6 +659,7 @@ static int iwl_set_ccmp_dynamic_key_info(struct iwl_priv *priv,
 {
 	unsigned long flags;
 	__le16 key_flags = 0;
+	int ret;
 
 	key_flags |= (STA_KEY_FLG_CCMP | STA_KEY_FLG_MAP_KEY_MSK);
 	key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
@@ -683,14 +687,18 @@ static int iwl_set_ccmp_dynamic_key_info(struct iwl_priv *priv,
 	/* else, we are overriding an existing key => no need to allocated room
 	 * in uCode. */
 
+	WARN(priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET,
+		"no space for new kew");
+
 	priv->stations[sta_id].sta.key.key_flags = key_flags;
 	priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
 	priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
 
+	ret = iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
+
 	spin_unlock_irqrestore(&priv->sta_lock, flags);
 
-	IWL_DEBUG_INFO("hwcrypto: modify ucode station key info\n");
-	return iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
+	return ret;
 }
 
 static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv,
@@ -715,7 +723,10 @@ static int iwl_set_tkip_dynamic_key_info(struct iwl_priv *priv,
 	/* else, we are overriding an existing key => no need to allocated room
 	 * in uCode. */
 
-	/* This copy is actually not needed: we get the key with each TX */
+	WARN(priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET,
+		"no space for new kew");
+
+	/* This copy is acutally not needed: we get the key with each TX */
 	memcpy(priv->stations[sta_id].keyinfo.key, keyconf->key, 16);
 
 	memcpy(priv->stations[sta_id].sta.key.key, keyconf->key, 16);
@@ -802,6 +813,13 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
 		return 0;
 	}
 
+	if (priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET) {
+		IWL_WARNING("Removing wrong key %d 0x%x\n",
+			    keyconf->keyidx, key_flags);
+		spin_unlock_irqrestore(&priv->sta_lock, flags);
+		return 0;
+	}
+
 	if (!test_and_clear_bit(priv->stations[sta_id].sta.key.key_offset,
 		&priv->ucode_key_table))
 		IWL_ERROR("index %d not used in uCode key table.\n",