linux-kernel - [PATCH net 3/5] dwc_eth_qos: use GFP_KERNEL in dma_alloc

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <954958f6c10eacc76b39b8f0d6a5528fcc675a80.1456756740.git.larper@axis.com>
Date:	Mon, 29 Feb 2016 16:22:32 +0100
From:	Lars Persson <lars.persson@...s.com>
To:	netdev@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Rabin Vincent <rabinv@...s.com>,
	Lars Persson <larper@...s.com>
Subject: [PATCH net 3/5] dwc_eth_qos: use GFP_KERNEL in dma_alloc_coherent()

From: Rabin Vincent <rabinv@...s.com>

Since we are in non-atomic context here we can pass GFP_KERNEL to
dma_alloc_coherent(). This enables use of the CMA.

Signed-off-by: Rabin Vincent <rabinv@...s.com>
Signed-off-by: Lars Persson <larper@...s.com>
---
 drivers/net/ethernet/synopsys/dwc_eth_qos.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/synopsys/dwc_eth_qos.c b/drivers/net/ethernet/synopsys/dwc_eth_qos.c
index 53d48c0..3ca2d5c 100644
--- a/drivers/net/ethernet/synopsys/dwc_eth_qos.c
+++ b/drivers/net/ethernet/synopsys/dwc_eth_qos.c
@@ -1113,7 +1113,7 @@ static int dwceqos_descriptor_init(struct net_local *lp)
 	/* Allocate DMA descriptors */
 	size = DWCEQOS_RX_DCNT * sizeof(struct dwceqos_dma_desc);
 	lp->rx_descs = dma_alloc_coherent(lp->ndev->dev.parent, size,
-			&lp->rx_descs_addr, 0);
+			&lp->rx_descs_addr, GFP_KERNEL);
 	if (!lp->rx_descs)
 		goto err_out;
 	lp->rx_descs_tail_addr = lp->rx_descs_addr +
@@ -1121,7 +1121,7 @@ static int dwceqos_descriptor_init(struct net_local *lp)
 
 	size = DWCEQOS_TX_DCNT * sizeof(struct dwceqos_dma_desc);
 	lp->tx_descs = dma_alloc_coherent(lp->ndev->dev.parent, size,
-			&lp->tx_descs_addr, 0);
+			&lp->tx_descs_addr, GFP_KERNEL);
 	if (!lp->tx_descs)
 		goto err_out;
 	lp->tx_descs_tail_addr = lp->tx_descs_addr +
-- 
2.1.4