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From: Adrian Chadd <adrian@FreeBSD.org>
Date: Sat, 27 Aug 2011 06:30:01 +0000 (UTC)
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Subject: svn commit: r225207 - user/adrian/if_ath_tx/sys/dev/ath
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Author: adrian
Date: Sat Aug 27 06:30:01 2011
New Revision: 225207
URL: http://svn.freebsd.org/changeset/base/225207

Log:
  Give in and just zero bf_state when allocating a new buffer.
  
  The lingering bits of state that are floating around were causing
  occasional issues in hostap mode where the buffers allocated
  for beacon frames would be incorrectly accounted for (eg they'd
  still have the bfs_aggr flag set.)

Modified:
  user/adrian/if_ath_tx/sys/dev/ath/if_ath.c

Modified: user/adrian/if_ath_tx/sys/dev/ath/if_ath.c
==============================================================================
--- user/adrian/if_ath_tx/sys/dev/ath/if_ath.c	Fri Aug 26 23:45:27 2011	(r225206)
+++ user/adrian/if_ath_tx/sys/dev/ath/if_ath.c	Sat Aug 27 06:30:01 2011	(r225207)
@@ -1891,6 +1891,7 @@ _ath_getbuf_locked(struct ath_softc *sc)
 	bf->bf_next = NULL;	/* XXX just to be sure */
 	bf->bf_last = NULL;	/* XXX again, just to be sure */
 	bf->bf_comp = NULL;	/* XXX again, just to be sure */
+	bzero(&bf->bf_state, sizeof(bf->bf_state));
 
 	return bf;
 }