Re: [PATCH 38/61] net: Prefer IS_ERR_OR_NULL over manual NULL check
"Russell King (Oracle)" <[email protected]>
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On Tue, Mar 10, 2026 at 12:49:04PM +0100, Philipp Hahn wrote: > diff --git a/drivers/net/mdio/mdio-xgene.c b/drivers/net/mdio/mdio-xgene.c > index a8f91a4b7fed0927ee14e408000cd3a2bfb9b09a..09b30b563295c6085dc1358ac361301e5cf6b2a8 100644 > --- a/drivers/net/mdio/mdio-xgene.c > +++ b/drivers/net/mdio/mdio-xgene.c > @@ -265,7 +265,7 @@ struct phy_device *xgene_enet_phy_register(struct mii_bus *bus, int phy_addr) > struct phy_device *phy_dev; > > phy_dev = get_phy_device(bus, phy_addr, false); > - if (!phy_dev || IS_ERR(phy_dev)) > + if (IS_ERR_OR_NULL(phy_dev)) As noted in reply to your cover message, the check for NULL here is incorrect - get_phy_device() returns either a valid pointer or an error pointer, but never NULL. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!