diff options
| author | Bernhard Schmidt <bschmidt@FreeBSD.org> | 2012-02-07 18:05:10 +0000 |
|---|---|---|
| committer | Bernhard Schmidt <bschmidt@FreeBSD.org> | 2012-02-07 18:05:10 +0000 |
| commit | 21faa5ceff0c8e79ca1b31463979581dea1ad7dc (patch) | |
| tree | a22f018a0d14d6970d05637116415fca3e40a719 /sys/dev/iwn | |
| parent | f658be4e9ea773f6595cecf11fb77a2d65bbe9c8 (diff) | |
Notes
Diffstat (limited to 'sys/dev/iwn')
| -rw-r--r-- | sys/dev/iwn/if_iwn.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/sys/dev/iwn/if_iwn.c b/sys/dev/iwn/if_iwn.c index a90d1ad6e089..f51f9a627b88 100644 --- a/sys/dev/iwn/if_iwn.c +++ b/sys/dev/iwn/if_iwn.c @@ -2813,11 +2813,13 @@ iwn_ampdu_tx_done(struct iwn_softc *sc, int qid, int idx, int nframes, bitmap |= 1ULL << bit; } tap = sc->qid2tap[qid]; - tid = WME_AC_TO_TID(tap->txa_ac); - wn = (void *)tap->txa_ni; - wn->agg[tid].bitmap = bitmap; - wn->agg[tid].startidx = start; - wn->agg[tid].nframes = nframes; + if (tap != NULL) { + tid = WME_AC_TO_TID(tap->txa_ac); + wn = (void *)tap->txa_ni; + wn->agg[tid].bitmap = bitmap; + wn->agg[tid].startidx = start; + wn->agg[tid].nframes = nframes; + } seqno = le32toh(*(status + nframes)) & 0xfff; for (lastidx = (seqno & 0xff); ring->read != lastidx;) { |