2016-04-07 21:39:18

by Vishal Thanki

[permalink] [raw]
Subject: [PATCH] mwifiex: fix the incorrect WARN_ON during suspend

During system suspend, there is a kernel WARNING issued if there
is a pending command present. By marking the wait queue disabled
after calling the command completion routine fixes it.

Signed-off-by: Vishal Thanki <[email protected]>
---
drivers/net/wireless/marvell/mwifiex/cmdevt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/marvell/mwifiex/cmdevt.c b/drivers/net/wireless/marvell/mwifiex/cmdevt.c
index a12adee..6f047064 100644
--- a/drivers/net/wireless/marvell/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/marvell/mwifiex/cmdevt.c
@@ -1009,9 +1009,9 @@ mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter *adapter)
spin_lock_irqsave(&adapter->mwifiex_cmd_lock, cmd_flags);
/* Cancel current cmd */
if ((adapter->curr_cmd) && (adapter->curr_cmd->wait_q_enabled)) {
- adapter->curr_cmd->wait_q_enabled = false;
adapter->cmd_wait_q.status = -1;
mwifiex_complete_cmd(adapter, adapter->curr_cmd);
+ adapter->curr_cmd->wait_q_enabled = false;
/* no recycle probably wait for response */
}
/* Cancel all pending command */
--
2.4.11



2016-04-14 13:04:21

by Kalle Valo

[permalink] [raw]
Subject: Re: mwifiex: fix the incorrect WARN_ON during suspend


> During system suspend, there is a kernel WARNING issued if there
> is a pending command present. By marking the wait queue disabled
> after calling the command completion routine fixes it.
>
> Signed-off-by: Vishal Thanki <[email protected]>

Thanks, applied to wireless-drivers-next.git.

Kalle Valo