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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Thu, 4 Jun 2009 15:10:29 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: RELENG_7
Subject: cvs commit: src/sys/kern kern_descrip.c
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kib         2009-06-04 15:10:29 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_7)
    sys/kern             kern_descrip.c 
  Log:
  SVN rev 193438 on 2009-06-04 15:10:29Z by kib
  
  MFC r192094:
  Do not advance req->oldidx when sysctl_old_user returning an
  error due to copyout failure or short buffer.
  
  MFC r192144:
  Revert r192094. The revision caused problems for sysctl(3) consumers
  that expect that oldlen is filled with required buffer length even when
  supplied buffer is too short and returned error is ENOMEM.
  
  Redo the fix for kern.proc.filedesc, by reverting the req->oldidx when
  remaining buffer space is too short for the current kinfo_file structure.
  Also, only ignore ENOMEM. We have to convert ENOMEM to no error condition
  to keep existing interface for the sysctl, though.
  
  Revision    Changes    Path
  1.313.2.18  +15 -2     src/sys/kern/kern_descrip.c