skb_copy_and_csum_datagram_msg
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## Name

skb_copy_and_csum_datagram_msg — Copy and checksum skb to user iovec.

## Synopsis

`int skb_copy_and_csum_datagram_msg (` | struct sk_buff * skb,
| int hlen,
| struct msghdr * msg`)`;

## Arguments

`skb`

  skbuff

`hlen`

  hardware length

`msg`

  destination

## Description

Caller _must_ check that skb will fit to this iovec.

## Returns

0 - success. -EINVAL - checksum failure. -EFAULT - fault during copy.

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