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From: Bernhard Schmidt <bschmidt@FreeBSD.org>
Date: Tue, 12 Oct 2010 17:12:35 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_7
Subject: cvs commit: src/sys/dev/iwi if_iwi.c
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bschmidt    2010-10-12 17:12:35 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_7)
    sys/dev/iwi          if_iwi.c 
  Log:
  SVN rev 213734 on 2010-10-12 17:12:35Z by bschmidt
  
  When bringing the interface down we clear the command queue but do
  not reset the sc_cmd_cur and sc_cmd_next indices. If there are
  still pending commands while clearing the queue those two indices
  are off by at least one. This leads to no commands being sent
  to the firmware until the queue overruns. Fix this by also resetting
  the indices.
  
  This is a direct commit as the code does not exist in head.
  
  Revision  Changes    Path
  1.57.2.3  +1 -0      src/sys/dev/iwi/if_iwi.c