autofs4: fix invalid ioctl return in autofs4_root_ioctl_unlocked()

The return from an ioctl if an invalid ioctl is passed in should be
EINVAL not ENOSYS.

Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ian Kent 2016-03-15 14:58:33 -07:00 • committed by Linus Torvalds
commit e3cd8067c1