net: Use kmemdup instead of kmalloc and memcpy

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>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 4a105006ca63..2cea022e6e6e 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -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)