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new helper: memcpy_to_msg()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-04-06 21:51:23 -04:00
commit 7eab8d9e8a
9 changed files with 13 additions and 9 deletions
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5
include/linux/skbuff.h
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@ -2692,6 +2692,11 @@ static inline int memcpy_from_msg(void *data, struct msghdr *msg, int len)
return memcpy_fromiovec(data, msg->msg_iov, len);
}
static inline int memcpy_to_msg(struct msghdr *msg, void *data, int len)
{
return memcpy_toiovec(msg->msg_iov, data, len);
}
struct skb_checksum_ops {
__wsum (*update)(const void *mem, int len, __wsum wsum);
__wsum (*combine)(__wsum csum, __wsum csum2, int offset, int len);