diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2011-05-18 12:03:04 +0000 |
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2011-05-18 12:03:04 +0000 |
| commit | e975f860aab3391fcc1413101da09c26b928f9e3 (patch) | |
| tree | 6d099f1104e30ac6c162b042aefbb0cfe39294a3 /package/mac80211/patches | |
| parent | ca8c3e123870273a179976f01742d7462ce037d0 (diff) | |
ath9k: fix a small race condition in the tx_last_beacon patch
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26933 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/mac80211/patches')
| -rw-r--r-- | package/mac80211/patches/572-ath9k_tx_last_beacon.patch | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/package/mac80211/patches/572-ath9k_tx_last_beacon.patch b/package/mac80211/patches/572-ath9k_tx_last_beacon.patch index 4f4c3b863..f8aad94b7 100644 --- a/package/mac80211/patches/572-ath9k_tx_last_beacon.patch +++ b/package/mac80211/patches/572-ath9k_tx_last_beacon.patch @@ -54,7 +54,7 @@ --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -2314,6 +2314,43 @@ static bool ath9k_tx_frames_pending(stru +@@ -2314,6 +2314,48 @@ static bool ath9k_tx_frames_pending(stru return false; } @@ -80,16 +80,21 @@ + return 0; + + if (!sc->beacon.tx_processed) { ++ tasklet_disable(&sc->bcon_tasklet); ++ + bf = avp->av_bcbuf; + if (!bf || !bf->bf_mpdu) -+ return 0; ++ goto skip; + + status = ath9k_hw_txprocdesc(ah, bf->bf_desc, &ts); + if (status == -EINPROGRESS) -+ return 0; ++ goto skip; + + sc->beacon.tx_processed = true; -+ sc->beacon.tx_last = !(ts.ts_status & ATH9K_TXERR_FILT); ++ sc->beacon.tx_last = !(ts.ts_status & ATH9K_TXERR_MASK); ++ ++skip: ++ tasklet_enable(&sc->bcon_tasklet); + } + + return sc->beacon.tx_last; @@ -98,7 +103,7 @@ struct ieee80211_ops ath9k_ops = { .tx = ath9k_tx, .start = ath9k_start, -@@ -2338,4 +2375,5 @@ struct ieee80211_ops ath9k_ops = { +@@ -2338,4 +2380,5 @@ struct ieee80211_ops ath9k_ops = { .set_coverage_class = ath9k_set_coverage_class, .flush = ath9k_flush, .tx_frames_pending = ath9k_tx_frames_pending, |