From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 10 Nov 2014 22:30:00 +0000 (-0500)
Subject: bury skb_copy_to_page()
X-Git-Tag: v4.14-rc1~6335^2~159^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=232365f660b0016dcf618723707f91f4a95013db;p=platform%2Fkernel%2Flinux-rpi.git

bury skb_copy_to_page()

no callers since 3.0

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/include/net/sock.h b/include/net/sock.h
index 83a669f..df9b89b 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1884,29 +1884,6 @@ 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