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-rw-r--r--package/mac80211/patches/560-ath9k_baw_fix.patch36
1 files changed, 36 insertions, 0 deletions
diff --git a/package/mac80211/patches/560-ath9k_baw_fix.patch b/package/mac80211/patches/560-ath9k_baw_fix.patch
new file mode 100644
index 0000000000..50e4b99e45
--- /dev/null
+++ b/package/mac80211/patches/560-ath9k_baw_fix.patch
@@ -0,0 +1,36 @@
+--- a/drivers/net/wireless/ath/ath9k/ath9k.h
++++ b/drivers/net/wireless/ath/ath9k/ath9k.h
+@@ -254,7 +254,7 @@ struct ath_atx_tid {
+ struct list_head buf_q;
+ struct ath_node *an;
+ struct ath_atx_ac *ac;
+- struct ath_buf *tx_buf[ATH_TID_MAX_BUFS];
++ unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)];
+ u16 seq_start;
+ u16 seq_next;
+ u16 baw_size;
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -168,9 +168,9 @@ static void ath_tx_update_baw(struct ath
+ index = ATH_BA_INDEX(tid->seq_start, seqno);
+ cindex = (tid->baw_head + index) & (ATH_TID_MAX_BUFS - 1);
+
+- tid->tx_buf[cindex] = NULL;
++ __clear_bit(cindex, tid->tx_buf);
+
+- while (tid->baw_head != tid->baw_tail && !tid->tx_buf[tid->baw_head]) {
++ while (tid->baw_head != tid->baw_tail && !test_bit(tid->baw_head, tid->tx_buf)) {
+ INCR(tid->seq_start, IEEE80211_SEQ_MAX);
+ INCR(tid->baw_head, ATH_TID_MAX_BUFS);
+ }
+@@ -186,9 +186,7 @@ static void ath_tx_addto_baw(struct ath_
+
+ index = ATH_BA_INDEX(tid->seq_start, bf->bf_seqno);
+ cindex = (tid->baw_head + index) & (ATH_TID_MAX_BUFS - 1);
+-
+- BUG_ON(tid->tx_buf[cindex] != NULL);
+- tid->tx_buf[cindex] = bf;
++ __set_bit(cindex, tid->tx_buf);
+
+ if (index >= ((tid->baw_tail - tid->baw_head) &
+ (ATH_TID_MAX_BUFS - 1))) {