This is a note to let you know that I've just added the patch titled wifi: mwifiex: fix loop iterator in mwifiex_update_ampdu_txwinsize() to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: wifi-mwifiex-fix-loop-iterator-in-mwifiex_update_amp.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit ccc49bba0791f430263cfb24cbb0c69ec2b21c04 Author: Dan Carpenter <error27@xxxxxxxxx> Date: Mon Feb 6 17:41:33 2023 +0300 wifi: mwifiex: fix loop iterator in mwifiex_update_ampdu_txwinsize() [ Upstream commit 3cfb7df24cee0f5fdc4cc5d3176cab9aadfcb430 ] This code re-uses "i" to be the iterator for both the inside and outside loops. It means the outside loop will exit earlier than intended. Fixes: d219b7eb3792 ("mwifiex: handle BT coex event to adjust Rx BA window size") Signed-off-by: Dan Carpenter <error27@xxxxxxxxx> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx> Link: https://lore.kernel.org/r/Y+ERnaDaZD7RtLvX@kili Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/wireless/marvell/mwifiex/11n.c b/drivers/net/wireless/marvell/mwifiex/11n.c index 5dcc305cc8127..452ac56cdc923 100644 --- a/drivers/net/wireless/marvell/mwifiex/11n.c +++ b/drivers/net/wireless/marvell/mwifiex/11n.c @@ -901,7 +901,7 @@ mwifiex_send_delba_txbastream_tbl(struct mwifiex_private *priv, u8 tid) */ void mwifiex_update_ampdu_txwinsize(struct mwifiex_adapter *adapter) { - u8 i; + u8 i, j; u32 tx_win_size; struct mwifiex_private *priv; @@ -932,8 +932,8 @@ void mwifiex_update_ampdu_txwinsize(struct mwifiex_adapter *adapter) if (tx_win_size != priv->add_ba_param.tx_win_size) { if (!priv->media_connected) continue; - for (i = 0; i < MAX_NUM_TID; i++) - mwifiex_send_delba_txbastream_tbl(priv, i); + for (j = 0; j < MAX_NUM_TID; j++) + mwifiex_send_delba_txbastream_tbl(priv, j); } } }