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Don't call av_set_tim() if it's NULL.

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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.
This commit is contained in:
Adrian Chadd 2012-11-11 00:34:10 +00:00
parent 3345c65be0
commit 04cdca73d9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=242881
1 changed files with 2 additions and 0 deletions
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2
sys/dev/ath/if_ath_tx.c
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@ -1236,6 +1236,8 @@ ath_tx_setds(struct ath_softc *sc, struct ath_buf *bf)
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 */