Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-26 14:12:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

net: Use kmemdup instead of kmalloc and memcpy

Browse Source 
when some other buffer is immediately copied into allocated region.
Replace calls to kmalloc followed by a memcpy with a direct
call to kmemdup.

Signed-off-by: Shyam Saini <mayhs11saini@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shyam Saini 2016-12-24 00:44:58 +05:30 committed by David S. Miller
parent 5671e8c19c
commit 801822d1be
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/virtio_net.c
View File

@ -1236,10 +1236,9 @@ static int virtnet_set_mac_address(struct net_device *dev, void *p)
struct sockaddr *addr;
struct scatterlist sg;
addr = kmalloc(sizeof(*addr), GFP_KERNEL);
addr = kmemdup(p, sizeof(*addr), GFP_KERNEL);
if (!addr)
return -ENOMEM;
memcpy(addr, p, sizeof(*addr));
ret = eth_prepare_mac_addr_change(dev, addr);
if (ret)