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From: Andrew Thompson <thompsa@FreeBSD.org>
Date: Sat, 29 Aug 2009 15:42:06 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/dev/usb usb_process.c
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thompsa     2009-08-29 15:42:06 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/dev/usb          usb_process.c 
  Log:
  SVN rev 196642 on 2009-08-29 15:42:06Z by thompsa
  
  MFC r196547
  
   It is possible for all the kthreads to exit (hci modules unloaded) which in
   turn ends our usb process. This means the proc pointer becomes invalid and will
   panic if a new kthread is added. Count the number of threads and clear the proc
   pointer on the last one.
  
  Approved by:    re (kib)
  
  Revision  Changes    Path
  1.9.2.3   +9 -0      src/sys/dev/usb/usb_process.c