Christoph Hellwig <hch@xxxxxx> writes: > On Sat, May 05, 2018 at 07:51:18AM -0500, Eric W. Biederman wrote: >> Christoph Hellwig <hch@xxxxxx> writes: >> >> > Use remove_proc_subtree to remove the whole subtree on cleanup, and >> > unwind the registration loop into individual calls. Switch to use >> > proc_create_seq where applicable. >> >> Can you please explain why you are removing the error handling when >> you are unwinding the registration loop? > > Because there is no point in handling these errors. The code work > perfectly fine without procfs, or without given proc files and the > removal works just fine if they don't exist either. This is a very > common patter in various parts of the kernel already. > > I'll document it better in the changelog. Thank you. That is the kind of thing that could be a signal of inattentiveness and problems, especially when it is not documented. Eric