staging: rtl8723bs: convert tasklets to use new tasklet_setup() API

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.
Signed-off-by: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Allen Pais <apais@linux.microsoft.com>
Link: https://lore.kernel.org/r/20200916061630.57717-1-allen.lkml@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c

@@ -230,9 +230,10 @@ static inline bool pkt_exceeds_tail(struct recv_priv *precvpriv,
 	return false;
 }
 
-static void rtl8723bs_recv_tasklet(unsigned long priv)
+static void rtl8723bs_recv_tasklet(struct tasklet_struct *t)
 {
-	struct adapter *padapter;
+	struct adapter *padapter = from_tasklet(padapter, t,
+						recvpriv.recv_tasklet);
 	struct hal_com_data *p_hal_data;
 	struct recv_priv *precvpriv;
 	struct recv_buf *precvbuf;
@@ -244,7 +245,6 @@ static void rtl8723bs_recv_tasklet(unsigned long priv)
 	_pkt *pkt_copy = NULL;
 	u8 shift_sz = 0, rx_report_sz = 0;
 
-	padapter = (struct adapter *)priv;
 	p_hal_data = GET_HAL_DATA(padapter);
 	precvpriv = &padapter->recvpriv;
 	recv_buf_queue = &precvpriv->recv_buf_pending_queue;
@@ -444,8 +444,7 @@ s32 rtl8723bs_init_recv_priv(struct adapter *padapter)
 		goto initbuferror;
 
 	/* 3 2. init tasklet */
-	tasklet_init(&precvpriv->recv_tasklet, rtl8723bs_recv_tasklet,
-		     (unsigned long)padapter);
+	tasklet_setup(&precvpriv->recv_tasklet, rtl8723bs_recv_tasklet);
 
 	goto exit;