netdev - [net-next 05/15] net/mlx5e: Use no-offset function in skb header copy

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]

Date:   Tue, 27 Mar 2018 17:42:39 -0700
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, Tariq Toukan <tariqt@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: [net-next 05/15] net/mlx5e: Use no-offset function in skb header copy

From: Tariq Toukan <tariqt@...lanox.com>

In copying skb header to skb->data, replace the call to
skb_copy_to_linear_data_offset() with a zero offset with
the call to the no-offset function skb_copy_to_linear_data().

Signed-off-by: Tariq Toukan <tariqt@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index ffcbe5c3818a..781b8f21d6d1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -333,9 +333,8 @@ mlx5e_copy_skb_header_mpwqe(struct device *pdev,
 	len = ALIGN(headlen_pg, sizeof(long));
 	dma_sync_single_for_cpu(pdev, dma_info->addr + offset, len,
 				DMA_FROM_DEVICE);
-	skb_copy_to_linear_data_offset(skb, 0,
-				       page_address(dma_info->page) + offset,
-				       len);
+	skb_copy_to_linear_data(skb, page_address(dma_info->page) + offset, len);
+
 	if (unlikely(offset + headlen > PAGE_SIZE)) {
 		dma_info++;
 		headlen_pg = len;
-- 
2.14.3