On 2019-01-22 16:21:07 [+0100], Greg Kroah-Hartman wrote: > When calling debugfs functions, there is no need to ever check the > return value. The function can work or not, but the code logic should > never do something different based on this. > > And as the return value does not matter at all, no need to save the > dentry in struct backing_dev_info, so delete it. > > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: Anders Roxell <anders.roxell@xxxxxxxxxx> > Cc: Arnd Bergmann <arnd@xxxxxxxx> > Cc: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> > Cc: Michal Hocko <mhocko@xxxxxxxx> > Cc: linux-mm@xxxxxxxxx > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> with "[PATCH 2/2] debugfs: return error values, not NULL" Reviewed-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Sebastian
