netdev - [PATCH net] amd-xgbe: Use disable_irq_nosync from within timer function

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Message-ID: <20150605210226.14842.17410.stgit@tlendack-t1.amdoffice.net>
Date:	Fri, 5 Jun 2015 16:02:26 -0500
From:	Tom Lendacky <thomas.lendacky@....com>
To:	<netdev@...r.kernel.org>
CC:	David Miller <davem@...emloft.net>
Subject: [PATCH net] amd-xgbe: Use disable_irq_nosync from within timer
 function

Since the Tx timer function runs in softirq context the driver needs
to call disable_irq_nosync instead of a disable_irq.

Reported-by: Josh Stone <jistone@...hat.com>
Signed-off-by: Tom Lendacky <thomas.lendacky@....com>
---
 drivers/net/ethernet/amd/xgbe/xgbe-drv.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
index db84ddc..9fd6c69 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
@@ -423,7 +423,7 @@ static void xgbe_tx_timer(unsigned long data)
 	if (napi_schedule_prep(napi)) {
 		/* Disable Tx and Rx interrupts */
 		if (pdata->per_channel_irq)
-			disable_irq(channel->dma_irq);
+			disable_irq_nosync(channel->dma_irq);
 		else
 			xgbe_disable_rx_tx_ints(pdata);
 

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