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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>
This commit is contained in:
Bing Zhao 2012-08-08 19:01:52 -07:00 committed by John W. Linville
parent 902d9e0f48
commit 641c869d40
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/mwifiex/sta_cmd.c
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@ -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 =