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mwifiex: fix potential integer truncation 

At some places, ie length is truncated from u16 to u8 while
storing it to driver's internal variable. This patch fixes
the problem.

Signed-off-by: chunfan chen <jeffc@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
chunfan chen 2015-12-16 04:21:42 -08:00 committed by Kalle Valo
parent b68d0ae7e5
commit 1d8f5c1385
2 changed files with 4 additions and 4 deletions
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6
drivers/net/wireless/marvell/mwifiex/main.h
View File

@ -564,14 +564,14 @@ struct mwifiex_private {
struct mwifiex_wep_key wep_key[NUM_WEP_KEYS];
u16 wep_key_curr_index;
u8 wpa_ie[256];
u8 wpa_ie_len;
u16 wpa_ie_len;
u8 wpa_is_gtk_set;
struct host_cmd_ds_802_11_key_material aes_key;
struct host_cmd_ds_802_11_key_material_v2 aes_key_v2;
u8 wapi_ie[256];
u8 wapi_ie_len;
u16 wapi_ie_len;
u8 *wps_ie;
u8 wps_ie_len;
u16 wps_ie_len;
u8 wmm_required;
u8 wmm_enabled;
u8 wmm_qosinfo;

2
drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
View File

@ -759,7 +759,7 @@ static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv,
return -1;
}
memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
priv->wpa_ie_len = (u8) ie_len;
priv->wpa_ie_len = ie_len;
mwifiex_dbg(priv->adapter, CMD,
"cmd: Set Wpa_ie_len=%d IE=%#x\n",
priv->wpa_ie_len, priv->wpa_ie[0]);