staging: rtl8723bs: hal: Remove comparison to NULL in rtl8723b_rxdesc.c

Remove comparison to null in file rtl8723b_rxdesc.c. Suggested by Coccinelle.
Signed-off-by: Himadri Pandya <himadri18.07@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/hal/rtl8723b_rxdesc.c

@@ -34,7 +34,7 @@ static void process_link_qual(struct adapter *padapter, union recv_frame *prfram
 	struct rx_pkt_attrib *pattrib;
 	struct signal_stat *signal_stat;
 
-	if (prframe == NULL || padapter == NULL)
+	if (!prframe || !padapter)
 		return;
 
 	pattrib = &prframe->u.hdr.attrib;