staging: r8188eu: cleanup by using "len" consistently

"*(p + 1)" and "len" are the same thing.  For reviewers who don't know
that, then this code is worrying because we cap "len", but pass
"*(p + 1)" to memcpy().

I have changed the code to use "len" throughout.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
index 3ed5941..55be52f 100644 (file)
--- a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
@@ -6600,13 +6600,13 @@ u8 collect_bss_info(struct adapter *padapter, struct recv_frame *precv_frame, st
                return _FAIL;
        }
 
-       if (*(p + 1)) {
+       if (len) {
                if (len > NDIS_802_11_LENGTH_SSID) {
                        DBG_88E("%s()-%d: IE too long (%d) for survey event\n", __func__, __LINE__, len);
                        return _FAIL;
                }
-               memcpy(bssid->Ssid.Ssid, (p + 2), *(p + 1));
-               bssid->Ssid.SsidLength = *(p + 1);
+               memcpy(bssid->Ssid.Ssid, (p + 2), len);
+               bssid->Ssid.SsidLength = len;
        } else {
                bssid->Ssid.SsidLength = 0;
        }