Re: [PATCH] exportfs: fix error handling in expfs.c

[Markus Elfring]

> dentry_open() and fh_to_parent() were calling PTR_ERR() before
> checking IS_ERR().  Drop the redundant sched.h include too, cred.h
> already pulls it in.

See also once more:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v7.2-rc2#n81

Regards,
Markus