On Wed, Sep 09, 2020 at 05:16:21PM +1000, Stephen Rothwell wrote: > Hi all, > > After merging the staging tree, today's linux-next build (arm > multi_v7_defconfig) produced this warning: > > drivers/iio/adc/stm32-adc-core.c: In function 'stm32_adc_core_switches_probe': > drivers/iio/adc/stm32-adc-core.c:598:5: warning: ignoring return value of 'dev_err_probe' declared with attribute 'warn_unused_result' [-Wunused-result] > 598 | dev_err_probe(dev, ret, "can't get booster\n"); > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > Introduced by commit > > ce30eeb613cb ("iio: adc: stm32: Simplify with dev_err_probe()") Offending patch now dropped from the driver-core tree, thanks. greg k-h