[PATCH 4/5] bury skb_copy_to_page()
From: Al Viro <viro@ZenIV.linux.org.uk>
Date: 2014-11-18 19:43:22
Also in:
lkml
Subsystem:
networking [general], networking [sockets], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Kuniyuki Iwashima, Willem de Bruijn, Linus Torvalds
no callers since 3.0 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> --- include/net/sock.h | 23 ----------------------- 1 file changed, 23 deletions(-)
diff --git a/include/net/sock.h b/include/net/sock.h
index 94e0ead..d7d43e9 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h@@ -1883,29 +1883,6 @@ static inline int skb_copy_to_page_nocache(struct sock *sk, char __user *from, return 0; } -static inline int skb_copy_to_page(struct sock *sk, char __user *from, - struct sk_buff *skb, struct page *page, - int off, int copy) -{ - if (skb->ip_summed == CHECKSUM_NONE) { - int err = 0; - __wsum csum = csum_and_copy_from_user(from, - page_address(page) + off, - copy, 0, &err); - if (err) - return err; - skb->csum = csum_block_add(skb->csum, csum, skb->len); - } else if (__copy_from_user(page_address(page) + off, from, copy)) - return -EFAULT; - - skb->len += copy; - skb->data_len += copy; - skb->truesize += copy; - sk->sk_wmem_queued += copy; - sk_mem_charge(sk, copy); - return 0; -} - /** * sk_wmem_alloc_get - returns write allocations * @sk: socket
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1.7.10.4