staging: rtl8712: simplify size calculation

replace item-by-item  size calculation of a struct
with the size of the struct.

This gets rid of a use of typedef NDIS_802_11_RATES_EX

Signed-off-by: Joshua Clayton <stillcompiling@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8712/rtl871x_cmd.c b/drivers/staging/rtl8712/rtl871x_cmd.c
index e35854d28f90ed96aa3ff149f39175c9e46b1373..f07050ddd82d22cb2969f5fd62c9ab887df7158d 100644 (file)
--- a/drivers/staging/rtl8712/rtl871x_cmd.c
+++ b/drivers/staging/rtl8712/rtl871x_cmd.c
@@ -471,7 +471,6 @@ u8 r8712_createbss_cmd(struct _adapter *padapter)
 
 u8 r8712_joinbss_cmd(struct _adapter  *padapter, struct wlan_network *pnetwork)
 {
-       uint t_len = 0;
        struct ndis_wlan_bssid_ex *psecnetwork;
        struct cmd_obj          *pcmd;
        struct cmd_priv         *pcmdpriv = &padapter->cmdpriv;
@@ -486,14 +485,6 @@ u8 r8712_joinbss_cmd(struct _adapter  *padapter, struct wlan_network *pnetwork)
        pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
        if (pcmd == NULL)
                return _FAIL;
-       t_len = sizeof(u32) + 6 * sizeof(unsigned char) + 2 +
-                       sizeof(struct ndis_802_11_ssid) + sizeof(u32) +
-                       sizeof(s32) +
-                       sizeof(enum NDIS_802_11_NETWORK_TYPE) +
-                       sizeof(struct NDIS_802_11_CONFIGURATION) +
-                       sizeof(enum NDIS_802_11_NETWORK_INFRASTRUCTURE) +
-                       sizeof(NDIS_802_11_RATES_EX) +
-                       sizeof(u32) + MAX_IE_SZ;
 
        /* for hidden ap to set fw_state here */
        if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) !=
@@ -516,7 +507,7 @@ u8 r8712_joinbss_cmd(struct _adapter  *padapter, struct wlan_network *pnetwork)
                kfree(pcmd);
                return _FAIL;
        }
-       memcpy(psecnetwork, &pnetwork->network, t_len);
+       memcpy(psecnetwork, &pnetwork->network, sizeof(*psecnetwork));
        psecuritypriv->authenticator_ie[0] = (unsigned char)
                                             psecnetwork->IELength;
        if ((psecnetwork->IELength-12) < (256 - 1))