[CRIU] [PATCH v2 13/24] kcmp: In get_file_raw_ptr use task_lookup_fd_rcu

[Cyrill Gorcunov]

On Fri, Nov 20, 2020 at 05:14:30PM -0600, Eric W. Biederman wrote:
> Modify get_file_raw_ptr to use task_lookup_fd_rcu.  The helper
> task_lookup_fd_rcu does the work of taking the task lock and verifying
> that task->files != NULL and then calls files_lookup_fd_rcu.  So let
> use the helper to make a simpler implementation of get_file_raw_ptr.
> 
> Signed-off-by: "Eric W. Biederman" <ebiederm at xmission.com>
Acked-by: Cyrill Gorcunov <gorcunov at gmail.com>

Since I wrote this kcmp code in first place. Thanks Eric!