| 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
| ||
|
Message-Id: <200708102105.l7AL5PRA008989@imap1.linux-foundation.org>
Date: Fri, 10 Aug 2007 14:05:25 -0700
From: akpm@...ux-foundation.org
To: jeff@...zik.org
Cc: netdev@...r.kernel.org, akpm@...ux-foundation.org,
m.kozlowski@...land.pl
Subject: [patch 15/18] drivers/net: remove superfluous memset
From: Mariusz Kozlowski <m.kozlowski@...land.pl>
This patch covers something like this:
dev = alloc_*dev(...
...
priv = netdev_priv(dev);
memset(priv, 0, sizeof(*priv));
The memset() here is superfluous. alloc_netdev() uses kzalloc()
to allocate needed memory so there is no need to zero the priv region
twice.
Signed-off-by: Mariusz Kozlowski <m.kozlowski@...land.pl>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---
drivers/net/fs_enet/fs_enet-main.c | 1 -
drivers/net/myri10ge/myri10ge.c | 1 -
drivers/net/netxen/netxen_nic_main.c | 1 -
drivers/net/sunlance.c | 1 -
drivers/net/usb/pegasus.c | 1 -
drivers/net/usb/rtl8150.c | 1 -
6 files changed, 6 deletions(-)
diff -puN drivers/net/fs_enet/fs_enet-main.c~drivers-net-remove-superfluous-memset drivers/net/fs_enet/fs_enet-main.c
--- a/drivers/net/fs_enet/fs_enet-main.c~drivers-net-remove-superfluous-memset
+++ a/drivers/net/fs_enet/fs_enet-main.c
@@ -962,7 +962,6 @@ static struct net_device *fs_init_instan
SET_MODULE_OWNER(ndev);
fep = netdev_priv(ndev);
- memset(fep, 0, privsize); /* clear everything */
fep->dev = dev;
dev_set_drvdata(dev, ndev);
diff -puN drivers/net/myri10ge/myri10ge.c~drivers-net-remove-superfluous-memset drivers/net/myri10ge/myri10ge.c
--- a/drivers/net/myri10ge/myri10ge.c~drivers-net-remove-superfluous-memset
+++ a/drivers/net/myri10ge/myri10ge.c
@@ -2852,7 +2852,6 @@ static int myri10ge_probe(struct pci_dev
SET_NETDEV_DEV(netdev, &pdev->dev);
mgp = netdev_priv(netdev);
- memset(mgp, 0, sizeof(*mgp));
mgp->dev = netdev;
mgp->pdev = pdev;
mgp->csum_flag = MXGEFW_FLAGS_CKSUM;
diff -puN drivers/net/netxen/netxen_nic_main.c~drivers-net-remove-superfluous-memset drivers/net/netxen/netxen_nic_main.c
--- a/drivers/net/netxen/netxen_nic_main.c~drivers-net-remove-superfluous-memset
+++ a/drivers/net/netxen/netxen_nic_main.c
@@ -329,7 +329,6 @@ netxen_nic_probe(struct pci_dev *pdev, c
SET_NETDEV_DEV(netdev, &pdev->dev);
adapter = netdev->priv;
- memset(adapter, 0 , sizeof(struct netxen_adapter));
adapter->ahw.pdev = pdev;
adapter->ahw.pci_func = pci_func_id;
diff -puN drivers/net/sunlance.c~drivers-net-remove-superfluous-memset drivers/net/sunlance.c
--- a/drivers/net/sunlance.c~drivers-net-remove-superfluous-memset
+++ a/drivers/net/sunlance.c
@@ -1335,7 +1335,6 @@ static int __devinit sparc_lance_probe_o
return -ENOMEM;
lp = netdev_priv(dev);
- memset(lp, 0, sizeof(*lp));
if (sparc_lance_debug && version_printed++ == 0)
printk (KERN_INFO "%s", version);
diff -puN drivers/net/usb/pegasus.c~drivers-net-remove-superfluous-memset drivers/net/usb/pegasus.c
--- a/drivers/net/usb/pegasus.c~drivers-net-remove-superfluous-memset
+++ a/drivers/net/usb/pegasus.c
@@ -1306,7 +1306,6 @@ static int pegasus_probe(struct usb_inte
}
pegasus = netdev_priv(net);
- memset(pegasus, 0, sizeof (struct pegasus));
pegasus->dev_index = dev_index;
init_waitqueue_head(&pegasus->ctrl_wait);
diff -puN drivers/net/usb/rtl8150.c~drivers-net-remove-superfluous-memset drivers/net/usb/rtl8150.c
--- a/drivers/net/usb/rtl8150.c~drivers-net-remove-superfluous-memset
+++ a/drivers/net/usb/rtl8150.c
@@ -905,7 +905,6 @@ static int rtl8150_probe(struct usb_inte
}
dev = netdev_priv(netdev);
- memset(dev, 0, sizeof(rtl8150_t));
dev->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL);
if (!dev->intr_buff) {
_
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists