ravb_close() always returns 0, hence the check in ravb_wol_restore() is pointless (however, we cannot change the prototype of ravb_close() as it implements the driver's ndo_stop() method). Found by Linux Verification Center (linuxtesting.org) with the SVACE static analysis tool. Signed-off-by: Sergey Shtylyov <s.shtylyov@xxxxxx> --- drivers/net/ethernet/renesas/ravb_main.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index b215cde68e10..02fa8cfc2b7b 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -2863,9 +2863,7 @@ static int ravb_wol_restore(struct net_device *ndev) /* Disable MagicPacket */ ravb_modify(ndev, ECMR, ECMR_MPDE, 0); - ret = ravb_close(ndev); - if (ret < 0) - return ret; + ravb_close(ndev); return disable_irq_wake(priv->emac_irq); } -- 2.26.3