Miscellaneous UML bug fixes

Please pull either

	http://uml.bkbits.net/fixes-2.5

or http://jdike.stearns.org:5000/fixes-2.5

This update fixes a number of small bugs:
strtoul calls are checked such that an empty string doesn't look like
zero
fixed some ubd driver error checking
a host helper is searched for if it's not in its usual location fixed a check for an irq being disabled

Jeff

 arch/um/Makefile                |    4 ----
 arch/um/boot/Makefile           |    3 ---
 arch/um/drivers/fd.c            |    2 +-
 arch/um/drivers/mcast_kern.c    |    4 ++--
 arch/um/drivers/port_kern.c     |   22 +++++++++++-----------
 arch/um/drivers/port_user.c     |   38 +-------------------------------------
 arch/um/drivers/ubd_kern.c      |    9 ++++++---
 arch/um/drivers/ubd_user.c      |    2 ++
 arch/um/drivers/xterm.c         |    3 +++
 arch/um/drivers/xterm_kern.c    |    6 ++++--
 arch/um/kernel/exitcode.c       |    2 +-
 arch/um/kernel/helper.c         |    5 ++++-
 arch/um/kernel/irq_user.c       |    4 +++-
 arch/um/kernel/setup.c          |   20 --------------------
 arch/um/kernel/tempfile.c       |    3 ++-
 arch/um/kernel/tty_log.c        |    2 +-
 arch/um/os-Linux/file.c         |    4 +++-
 include/asm-um/system-generic.h |    1 +
 18 files changed, 45 insertions(+), 89 deletions(-)

[email protected], 2002-12-26 21:34:55-05:00, [email protected]
Fixed the calls to os_get_process in port_kern.c

[email protected], 2002-12-26 21:09:25-05:00, [email protected]
Forward ported a bunch of fixes from 2.4.

[email protected], 2002-11-18 21:53:20-05:00, [email protected]
Merged a number of bug fixes from the 2.4 pool.