[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>
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 1511697..f38c3b3 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1156,7 +1156,7 @@
int lg;
/* Save a copy of the Header */
- memcpy(header, skb->data, ROSE_MIN_LEN);
+ skb_copy_from_linear_data(skb, header, ROSE_MIN_LEN);
skb_pull(skb, ROSE_MIN_LEN);
frontlen = skb_headroom(skb);
@@ -1176,7 +1176,7 @@
lg = (ROSE_PACLEN > skb->len) ? skb->len : ROSE_PACLEN;
/* Copy the user data */
- memcpy(skb_put(skbn, lg), skb->data, lg);
+ skb_copy_from_linear_data(skb, skb_put(skbn, lg), lg);
skb_pull(skb, lg);
/* Duplicate the Header */