[SK_BUFF]: Introduce skb_copy_from_linear_data{_offset}

To clearly state the intent of copying from linear sk_buffs, _offset being a
overly long variant but interesting for the sake of saving some bytes.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 875da382d9b9..34606eff8a05 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -596,7 +596,7 @@ slow_path:
                  *      Copy the packet header into the new buffer.
                  */
 
-                memcpy(skb_network_header(skb2), skb->data, hlen);
+                skb_copy_from_linear_data(skb, skb_network_header(skb2), hlen);
 
                 /*
                  *      Copy a block of the IP datagram.