Ulf Lilleengen 7e11b694f4 - Fix a potential NULL pointer reference. Note that this cannot happen in
practice, but it is a good programming practice nontheless and it allows the
  kernel to not depend on userland correctness.

Found with:   Coverity Prevent(tm)
CID:          655-659, 664-667
2008-11-25 19:13:58 +00:00
..