[PATCH V4 2/8] staging: rtl8712: simplify size calculation

From: Joshua Clayton
Date: Wed Jul 29 2015 - 09:53:01 EST


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@xxxxxxxxx>
---
drivers/staging/rtl8712/rtl871x_cmd.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/staging/rtl8712/rtl871x_cmd.c b/drivers/staging/rtl8712/rtl871x_cmd.c
index e35854d..f07050d 100644
--- 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))
--
2.4.6

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