Re: [PATCH 05/14] fs: don't allow kernel reads and writes without iter ops
From: Al Viro <viro@zeniv.linux.org.uk>
Date: 2020-10-01 22:41:08
Also in:
linux-arch, linux-fsdevel, lkml
On Thu, Oct 01, 2020 at 03:38:52PM -0700, Eric Biggers wrote:
mutex_lock(&sbi->pipe_mutex);
while (bytes) {
- wr = __kernel_write(file, data, bytes, NULL);
+ wr = __kernel_write(file, data, bytes, &file->f_pos);Better loff_t dummy = 0; ... wr = __kernel_write(file, data, bytes, &dummy);