From 641c869d40c7ec6a34930843f41e95bf1f53f29f Mon Sep 17 00:00:00 2001
From: Bing Zhao <bzhao@marvell.com>
Date: Wed, 8 Aug 2012 19:01:52 -0700
Subject: mwifiex: fix 'smatch' warning in preparing key_material cmd

The key length can be 32 bytes for TKIP and 16 bytes for AES_CMAC.
'smatch' warns on memcpy using key_len variable to copy data to
a 16 bytes buffer. Use fixed length to avoid the warning.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/mwifiex/sta_cmd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'drivers/net/wireless/mwifiex')

diff --git a/drivers/net/wireless/mwifiex/sta_cmd.c b/drivers/net/wireless/mwifiex/sta_cmd.c
index 9af96926093e..0cc3406050dc 100644
--- a/drivers/net/wireless/mwifiex/sta_cmd.c
+++ b/drivers/net/wireless/mwifiex/sta_cmd.c
@@ -690,7 +690,7 @@ mwifiex_cmd_802_11_key_material(struct mwifiex_private *priv,
 
 			memcpy(param->ipn, enc_key->pn, IGTK_PN_LEN);
 			memcpy(param->key, enc_key->key_material,
-			       enc_key->key_len);
+			       WLAN_KEY_LEN_AES_CMAC);
 
 			key_param_len = sizeof(struct mwifiex_cmac_param);
 			key_material->key_param_set.key_len =
-- 
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