This is a note to let you know that I've just added the patch titled
net/ncsi: clear Tx enable mode when handling a Config required AEN
to the 5.4-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:
net-ncsi-clear-tx-enable-mode-when-handling-a-config.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit a35dc104e4ef8733195017d054d3b925348f933e
Author: Cosmo Chou <chou.cosmo@xxxxxxxxx>
Date: Wed Apr 26 16:13:50 2023 +0800
net/ncsi: clear Tx enable mode when handling a Config required AEN
[ Upstream commit 6f75cd166a5a3c0bc50441faa8b8304f60522fdd ]
ncsi_channel_is_tx() determines whether a given channel should be
used for Tx or not. However, when reconfiguring the channel by
handling a Configuration Required AEN, there is a misjudgment that
the channel Tx has already been enabled, which results in the Enable
Channel Network Tx command not being sent.
Clear the channel Tx enable flag before reconfiguring the channel to
avoid the misjudgment.
Fixes: 8d951a75d022 ("net/ncsi: Configure multi-package, multi-channel modes with failover")
Signed-off-by: Cosmo Chou <chou.cosmo@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/net/ncsi/ncsi-aen.c b/net/ncsi/ncsi-aen.c
index b635c194f0a85..62fb1031763d1 100644
--- a/net/ncsi/ncsi-aen.c
+++ b/net/ncsi/ncsi-aen.c
@@ -165,6 +165,7 @@ static int ncsi_aen_handler_cr(struct ncsi_dev_priv *ndp,
nc->state = NCSI_CHANNEL_INACTIVE;
list_add_tail_rcu(&nc->link, &ndp->channel_queue);
spin_unlock_irqrestore(&ndp->lock, flags);
+ nc->modes[NCSI_MODE_TX_ENABLE].enable = 0;
return ncsi_process_next_channel(ndp);
}
