tree 0a8ae816ed49effe01e8464a66df9d59df0434c0
parent d2212b4dce596fee83e5c523400bf084f4cc816c
author Eric W. Biederman <ebiederm@xmission.com> 1379972477 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1380298719 -0700

sysfs: Allow mounting without CONFIG_NET

In kobj_ns_current_may_mount the default should be to allow the mount.
The test is only for a single kobj_ns_type at a time, and unless there
is a reason to prevent it the mounting sysfs should be allowed.
Subsystems that are not registered can't have are not involved so can't
have a reason to prevent mounting sysfs.

This is a bug-fix to commit 7dc5dbc879bd ("sysfs: Restrict mounting
sysfs") that came in via the userns tree during the 3.12 merge window.

Reported-and-tested-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>