svn commit: r225512 - user/adrian/if_ath_tx/sys/dev/ath

[Adrian Chadd]

Author: adrian
Date: Mon Sep 12 15:01:32 2011
New Revision: 225512
URL: http://svn.freebsd.org/changeset/base/225512

Log:
  Fix some debugging - don't deference tap if it's NULL.
  This will occur on non-11n NICs, like the AR5212 I just
  tried this codebase on.

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

Modified: user/adrian/if_ath_tx/sys/dev/ath/if_ath_tx.c
==============================================================================
--- user/adrian/if_ath_tx/sys/dev/ath/if_ath_tx.c	Mon Sep 12 14:39:03 2011	(r225511)
+++ user/adrian/if_ath_tx/sys/dev/ath/if_ath_tx.c	Mon Sep 12 15:01:32 2011	(r225512)
@@ -2253,7 +2253,7 @@ ath_tx_tid_drain(struct ath_softc *sc, s
 			     __func__, ni, tid->tid, txq->axq_depth,
 			     txq->axq_aggr_depth, tid->sched, tid->paused,
 			     tid->hwq_depth, tid->incomp, tid->baw_head,
-			     tid->baw_tail, tap->txa_start,
+			     tid->baw_tail, tap == NULL ? -1 : tap->txa_start,
 			     ni->ni_txseqs[tid->tid]);
 			t = 1;
 		}