Hi 2021. február 4., csütörtök 9:12 keltezéssel, Hans de Goede írta: > Hi Barnabás, > > On 2/3/21 10:55 PM, Barnabás Pőcze wrote: > > > debugfs_create_dir() may return an ERR_PTR(), > > add a check to ideapad_debugfs_init() that > > handles the case when that occurs. > > debugfs functions should not be error-checked: > > 1. They are for debugging so if they don't work it is not an issue > (note your own error handling also just returns without propagating > the error). > > 2. Subsequent debugfs calls taking the ERR-PTR will detect this and > turn into no-op-s > [...] My idea was to prevent the ERR_PTR() from being passed to debugfs_create_file() because I was not aware that it checked for that, so thanks for catching it! Regards, Barnabás Pőcze