Hi, Dan On Wed, Sep 25, 2019 at 01:59:11PM +0300, Dan Carpenter wrote: > The "lp->phy_mode" is an enum but in this context GCC treats it as an > unsigned int so the error handling is never triggered. > > lp->phy_mode = of_get_phy_mode(pdev->dev.of_node); > - if (lp->phy_mode < 0) { > + if ((int)lp->phy_mode < 0) { This (almost) exact code appears in a lot of different drivers too, so maybe it'd be nice to review them all and apply the same cast if needed? Best regards -- Alvaro G. M.