[RFC PATCH 0/2] init: make sure syscall arguments are marked __user where needed

[H Hartley Sweeten <hartleys@visionengravers.com>]

When using syscall routines in the kernel, some of the arguments
should be user pointers but are missing the __user markup. This
produces a number of sparse warnings of the format:    
  
warning: incorrect type in argument 1 (different address spaces)
   expected char [noderef] <asn:1>*dev_name
   got char *name 

Wrap the syscall routines in the private do_mounts.h header so that
the appropriate __user markups are added for the init mount code.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Andrew Morton <akpm@linux-foundation.org>

init: introduce private syscall wrappers for non-user space pointers
init: use private syscall wrappers for non-user space pointers

 init/do_mounts.c        |   14 +++---
 init/do_mounts.h        |  107 ++++++++++++++++++++++++++++++++++++++++++++++-
 init/do_mounts_initrd.c |   28 ++++++------
 init/do_mounts_md.c     |    6 +-
 init/do_mounts_rd.c     |   22 +++++-----
 init/initramfs.c        |   54 ++++++++++++-----------
 init/noinitramfs.c      |    9 ++--
 7 files changed, 173 insertions(+), 67 deletions(-)