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SubjectRe: [PATCH net-next v7 08/10] bpf: Add a Landlock sandbox example
Hi Mickaël,

On 21 August 2017 at 02:09, Mickaël Salaün <mic@digikod.net> wrote:
> Add a basic sandbox tool to create a process isolated from some part of
> the system. This sandbox create a read-only environment. It is only
> allowed to write to a character device such as a TTY:
...
> + /*
> + * This check allows the action on the file if it is a directory or a
> + * pipe. Otherwise, a message is printed to the eBPF log.
> + */
> + if (S_ISCHR(ret) || S_ISFIFO(ret))
> + return 0;


The comment says "directory", but the code checks for "character device".

Thanks!
Alban

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