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net: Use kmemdup instead of kmalloc and memcpy

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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
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3
drivers/net/virtio_net.c
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@ -1236,10 +1236,9 @@ static int virtnet_set_mac_address(struct net_device *dev, void *p)
struct sockaddr *addr; struct sockaddr *addr;
struct scatterlist sg; struct scatterlist sg;
addr = kmalloc(sizeof(*addr), GFP_KERNEL); addr = kmemdup(p, sizeof(*addr), GFP_KERNEL);
if (!addr) if (!addr)
return -ENOMEM; return -ENOMEM;
memcpy(addr, p, sizeof(*addr));
ret = eth_prepare_mac_addr_change(dev, addr); ret = eth_prepare_mac_addr_change(dev, addr);
if (ret) if (ret)