nfsd4: Fix MACH_CRED NULL dereference

Fixes a NULL-dereference on attempts to use MACH_CRED protection over
auth_sys.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2013-08-07 11:41:49 -04:00
commit c47205914c