linux-kernel - [PATCH 73/87] ethernet: freescale: Remove memset after 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-next>] [day] [month] [year] [list]

Message-Id: <20190627174641.6474-1-huangfq.daxian@gmail.com>
Date:   Fri, 28 Jun 2019 01:46:41 +0800
From:   Fuqian Huang <huangfq.daxian@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Fuqian Huang <huangfq.daxian@...il.com>,
        Fugang Duan <fugang.duan@....com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 73/87] ethernet: freescale: Remove memset after dma_alloc_coherent

In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.

Signed-off-by: Fuqian Huang <huangfq.daxian@...il.com>
---
 drivers/net/ethernet/freescale/fec_main.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 38f10f7dcbc3..ec87b8b78d21 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3143,8 +3143,6 @@ static int fec_enet_init(struct net_device *ndev)
 		return -ENOMEM;
 	}
 
-	memset(cbd_base, 0, bd_size);
-
 	/* Get the Ethernet address */
 	fec_get_mac(ndev);
 	/* make sure MAC we just acquired is programmed into the hw */
-- 
2.11.0