cvs commit: src/sys/dev/sio sio.c

Warner Losh imp at FreeBSD.org
Thu Jul 22 16:16:12 PDT 2004


imp         2004-07-22 23:16:12 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/sio          sio.c 
  Log:
  If you insert a pccard modem and then eject it, you get a panic.  This
  happens because the sio device was never opened and com->tp is
  therefore NULL.  ttygone can't swallow a NULL, so guard against that
  possibility.  Other places in this function make similar checks, so I
  believe this is correct.
  
  Revision  Changes    Path
  1.450     +2 -1      src/sys/dev/sio/sio.c


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