staging: rtl8188eu: Remove 'u32 len' from struct recv_buf

Remove unused variable 'u32 len'.
Signed-off-by: Nnavin patidar <navin.patidar@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c

@@ -30,7 +30,6 @@
 
 void rtl8188eu_init_recvbuf(struct adapter *padapter, struct recv_buf *precvbuf)
 {
-	precvbuf->len = 0;
 	precvbuf->ref_cnt = 0;
 }
 

drivers/staging/rtl8188eu/include/rtw_recv.h

@@ -238,7 +238,6 @@ struct recv_buf {
 	u32	ref_cnt;
 	struct adapter *adapter;
 	u8	*pbuf;
-	u32	len;
 	struct urb *purb;
 	struct sk_buff *pskb;
 	u8	reuse;

drivers/staging/rtl8188eu/os_dep/recv_linux.c

@@ -61,7 +61,6 @@ int rtw_os_recvbuf_resource_alloc(struct adapter *padapter,
 	precvbuf->pskb = NULL;
 	precvbuf->reuse = false;
 	precvbuf->pbuf = NULL;
-	precvbuf->len = 0;
 	return res;
 }