[git pull] uaccess comedi compat

[Al Viro]

	comedi compat ioctls done saner (killing the single biggest pile
of __get_user/__put_user outside of arch/* in process).

The following changes since commit 8f3d9f354286745c751374f5f1fcafee6b3f3136:

  Linux 5.7-rc1 (2020-04-12 12:35:55 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git uaccess.comedi

for you to fetch changes up to bac42fb21259783cb748ae54227a5e755340a396:

  comedi: get rid of compat_alloc_user_space() mess in COMEDI_CMD{,TEST} compat (2020-05-29 10:06:01 -0400)

----------------------------------------------------------------
Al Viro (10):
      comedi: move compat ioctl handling to native fops
      comedi: get rid of indirection via translated_ioctl()
      comedi: get rid of compat_alloc_user_space() mess in COMEDI_CHANINFO compat
      comedi: get rid of compat_alloc_user_space() mess in COMEDI_RANGEINFO compat
      comedi: get rid of compat_alloc_user_space() mess in COMEDI_INSN compat
      comedi: get rid of compat_alloc_user_space() mess in COMEDI_INSNLIST compat
      comedi: lift copy_from_user() into callers of __comedi_get_user_cmd()
      comedi: do_cmdtest_ioctl(): lift copyin/copyout into the caller
      comedi: do_cmd_ioctl(): lift copyin/copyout into the caller
      comedi: get rid of compat_alloc_user_space() mess in COMEDI_CMD{,TEST} compat

 drivers/staging/comedi/Makefile          |   1 -
 drivers/staging/comedi/comedi_compat32.c | 455 -------------------------
 drivers/staging/comedi/comedi_compat32.h |  28 --
 drivers/staging/comedi/comedi_fops.c     | 564 +++++++++++++++++++++++++------
 drivers/staging/comedi/comedi_internal.h |   2 +-
 drivers/staging/comedi/range.c           |  17 +-
 6 files changed, 467 insertions(+), 600 deletions(-)
 delete mode 100644 drivers/staging/comedi/comedi_compat32.c
 delete mode 100644 drivers/staging/comedi/comedi_compat32.h