On Wed, Sep 29, 2021 at 03:21:42PM +0200, Rikard Falkeborn wrote: > Commit 5c912e679506 ("usb: cdc-wdm: fix build error when CONFIG_WWAN_CORE > is not set") fixed a build error when CONFIG_WWAN was set but > CONFIG_WWAN_CORE was not. Since then CONFIG_WWAN_CORE was removed and > joined with CONFIG_WWAN in commit 89212e160b81 ("net: wwan: Fix WWAN > config symbols"). > > Also, since CONFIG_WWAN has class tri-state instead of bool, we cannot > check if it is defined directly, but have to use IS_DEFINED() instead. That last part is wrong, sorry for the noise. I'll send a V2. Rikard