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>
diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h
index 0fa1d8e..2f7f478 100644
--- a/drivers/net/wireless/marvell/mwifiex/main.h
+++ b/drivers/net/wireless/marvell/mwifiex/main.h
@@ -564,14 +564,14 @@
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;
diff --git a/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c b/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
index 439e73f..6a4fc5d 100644
--- a/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c
@@ -759,7 +759,7 @@
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]);
