Author: adrian
Date: Sun Nov 11 00:34:10 2012
New Revision: 242881
URL: http://svnweb.freebsd.org/changeset/base/242881
Log:
Don't call av_set_tim() if it's NULL.
This happens during a scan in STA mode; any queued data frames will
be power save queued but as there's no TIM in STA mode, it panics.
This was introduced by me when I disabled my driver-aware power save
handling support.
Modified:
head/sys/dev/ath/if_ath_tx.c
Modified: head/sys/dev/ath/if_ath_tx.c
==============================================================================
--- head/sys/dev/ath/if_ath_tx.c Sat Nov 10 22:37:06 2012
(r242880)
+++ head/sys/dev/ath/if_ath_tx.c Sun Nov 11 00:34:10 2012
(r242881)
@@ -1236,6 +1236,8 @@ ath_tx_setds(struct ath_softc *sc, struc
struct ath_desc *ds = bf->bf_desc;
struct ath_hal *ah = sc->sc_ah;
+ bzero(bf->bf_desc, sc->sc_tx_desclen * bf->bf_nseg);
+
ath_hal_setuptxdesc(ah, ds
, bf->bf_state.bfs_pktlen /* packet length */
, bf->bf_state.bfs_hdrlen /* header length */
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