staging: rtl8188eu: Reduced nesting and improved coding style.

Signed-off-by: Chi Pham <fempsci@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_cmd.c

@@ -1974,17 +1974,17 @@ static void c2h_wk_callback(struct work_struct *work)
 	evtpriv->c2h_wk_alive = true;
 
 	while (!rtw_cbuf_empty(evtpriv->c2h_queue)) {
-		c2h_evt = (struct c2h_evt_hdr *)rtw_cbuf_pop(evtpriv->c2h_queue);
-		if (c2h_evt != NULL) {
+		c2h_evt = (struct c2h_evt_hdr *)
+			rtw_cbuf_pop(evtpriv->c2h_queue);
+		if (c2h_evt != NULL)
 			/* This C2H event is read, clear it */
 			c2h_evt_clear(adapter);
-		} else {
+		else {
 			c2h_evt = (struct c2h_evt_hdr *)rtw_malloc(16);
-			if (c2h_evt != NULL) {
 			/* This C2H event is not read, read & clear now */
-				if (c2h_evt_read(adapter, (u8 *)c2h_evt) != _SUCCESS)
-					continue;
-			}
+			if (c2h_evt != NULL &&
+			    c2h_evt_read(adapter, (u8 *)c2h_evt) != _SUCCESS)
+				continue;
 		}
 
 		/* Special pointer to trigger c2h_evt_clear only */