net/xfrm: use kmemdup rather than duplicating its implementation
The patch was generated using fixed coccinelle semantic patch scripts/coccinelle/api/memdup.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2014320 Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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@ -925,12 +925,10 @@ static int xfrm_dump_sa(struct sk_buff *skb, struct netlink_callback *cb)
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return err;
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if (attrs[XFRMA_ADDRESS_FILTER]) {
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filter = kmalloc(sizeof(*filter), GFP_KERNEL);
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filter = kmemdup(nla_data(attrs[XFRMA_ADDRESS_FILTER]),
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sizeof(*filter), GFP_KERNEL);
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if (filter == NULL)
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return -ENOMEM;
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memcpy(filter, nla_data(attrs[XFRMA_ADDRESS_FILTER]),
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sizeof(*filter));
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}
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if (attrs[XFRMA_PROTO])
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