On Thu, Apr 19, 2018 at 05:18:18PM +0300, Dan Carpenter wrote: > > -static const struct file_operations cio_ignore_proc_fops = { > > - .open = cio_ignore_proc_open, > > - .read = seq_read, > > - .llseek = seq_lseek, > > - .release = seq_release_private, > > - .write = cio_ignore_write, > ^^^^^^^^^^^^^^^^ > The cio_ignore_write() function isn't used any more so compilers will > complain. No compiler in the buildboot farm complained, but neverless this