diff mbox series

[net-next] net: sgi: use GFP_ATOMIC under spin lock

Message ID 20190216014809.142801-1-weiyongjun1@huawei.com
State Accepted
Delegated to: David Miller
Headers show
Series [net-next] net: sgi: use GFP_ATOMIC under spin lock | expand

Commit Message

Wei Yongjun Feb. 16, 2019, 1:48 a.m. UTC
The function meth_init_tx_ring() is called from meth_tx_timeout(),
in which spin_lock is held, so we should use GFP_ATOMIC instead.

Fixes: 8d4c28fbc284 ("meth: pass struct device to DMA API functions")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 drivers/net/ethernet/sgi/meth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

David Miller Feb. 17, 2019, 11:52 p.m. UTC | #1
From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Sat, 16 Feb 2019 01:48:09 +0000

> The function meth_init_tx_ring() is called from meth_tx_timeout(),
> in which spin_lock is held, so we should use GFP_ATOMIC instead.
> 
> Fixes: 8d4c28fbc284 ("meth: pass struct device to DMA API functions")
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>

Applied.
diff mbox series

Patch

diff --git a/drivers/net/ethernet/sgi/meth.c b/drivers/net/ethernet/sgi/meth.c
index f425ab528224..f1271402ca21 100644
--- a/drivers/net/ethernet/sgi/meth.c
+++ b/drivers/net/ethernet/sgi/meth.c
@@ -214,7 +214,7 @@  static int meth_init_tx_ring(struct meth_private *priv)
 {
 	/* Init TX ring */
 	priv->tx_ring = dma_alloc_coherent(&priv->pdev->dev,
-			TX_RING_BUFFER_SIZE, &priv->tx_ring_dma, GFP_KERNEL);
+			TX_RING_BUFFER_SIZE, &priv->tx_ring_dma, GFP_ATOMIC);
 	if (!priv->tx_ring)
 		return -ENOMEM;