cvs commit: src/sys/kern sys_pipe.c

[Robert Watson]

rwatson     2004/02/02 18:50:51 PST

  FreeBSD src repository

  Modified files:
    sys/kern             sys_pipe.c 
  Log:
  Catch instances of (pipe == NULL) that were obsoleted with recent
  changes to jointly allocated pipe pairs.  Replace these checks
  with pipe_present checks.  This avoids a NULL pointer dereference
  when a pipe is half-closed.
  
  Submitted by:   Peter Edwards <peter.edwards at openet-telecom.com>
  
  Revision  Changes    Path
  1.166     +6 -6      src/sys/kern/sys_pipe.c