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From: Bernhard Schmidt <bschmidt@FreeBSD.org>
Date: Sun, 13 Mar 2011 12:56:46 +0000 (UTC)
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Subject: cvs commit: src/sys/net80211 ieee80211_output.c
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bschmidt    2011-03-13 12:56:46 UTC

  FreeBSD src repository

  Modified files:
    sys/net80211         ieee80211_output.c 
  Log:
  SVN rev 219604 on 2011-03-13 12:56:46Z by bschmidt
  
  When injecting frames a temporary node is faked, during this several
  uses of ic_curchan occur. Due to the nature of a scan, switching
  channels constantly and all this happening without any kind of locks
  held, it might happen that ic_curchan points to nowhere leading to
  panics. Fix this by not allowing frame injections while in SCAN state.
  
  Tested by:      Paul B. Mahol <onemda at gmail.com>
  
  Revision  Changes    Path
  1.108     +2 -1      src/sys/net80211/ieee80211_output.c