staging: rtl8712: Change return values of r8712_init_evt_priv()

Change return values of the function r8712_init_evt_priv from
_SUCCESS/_FAIL to 0/-ENOMEM. Modify call site accordingly.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/os_intfs.c

@@ -300,7 +300,7 @@ u8 r8712_init_drv_sw(struct _adapter *padapter)
 	if (r8712_init_cmd_priv(&padapter->cmdpriv))
 		return _FAIL;
 	padapter->cmdpriv.padapter = padapter;
-	if ((r8712_init_evt_priv(&padapter->evtpriv)) == _FAIL)
+	if (r8712_init_evt_priv(&padapter->evtpriv))
 		return _FAIL;
 	if (r8712_init_mlme_priv(padapter) == _FAIL)
 		return _FAIL;

drivers/staging/rtl8712/rtl871x_cmd.c

@@ -80,11 +80,11 @@ int r8712_init_evt_priv(struct evt_priv *pevtpriv)
 	pevtpriv->evt_allocated_buf = kmalloc(MAX_EVTSZ + 4, GFP_ATOMIC);
 
 	if (!pevtpriv->evt_allocated_buf)
-		return _FAIL;
+		return -ENOMEM;
 	pevtpriv->evt_buf = pevtpriv->evt_allocated_buf  +  4 -
 			    ((addr_t)(pevtpriv->evt_allocated_buf) & 3);
 	pevtpriv->evt_done_cnt = 0;
-	return _SUCCESS;
+	return 0;
 }
 
 static void _free_evt_priv(struct evt_priv *pevtpriv)