[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, 5 insertions, 5 deletions

diff --git a/drivers/net/meth.c b/drivers/net/meth.c
index fafe67835238..0343ea12b299 100644
--- a/drivers/net/meth.c
+++ b/drivers/net/meth.c
@@ -608,7 +608,7 @@ static void meth_tx_short_prepare(struct meth_private *priv,
 
         desc->header.raw = METH_TX_CMD_INT_EN | (len-1) | ((128-len) << 16);
         /* maybe I should set whole thing to 0 first... */
-        memcpy(desc->data.dt + (120 - len), skb->data, skb->len);
+        skb_copy_from_linear_data(skb, desc->data.dt + (120 - len), skb->len);
         if (skb->len < len)
                 memset(desc->data.dt + 120 - len + skb->len, 0, len-skb->len);
 }
@@ -626,8 +626,8 @@ static void meth_tx_1page_prepare(struct meth_private *priv,
 
         /* unaligned part */
         if (unaligned_len) {
-                memcpy(desc->data.dt + (120 - unaligned_len),
-                       skb->data, unaligned_len);
+                skb_copy_from_linear_data(skb, desc->data.dt + (120 - unaligned_len),
+                              unaligned_len);
                 desc->header.raw |= (128 - unaligned_len) << 16;
         }
 
@@ -652,8 +652,8 @@ static void meth_tx_2page_prepare(struct meth_private *priv,
         desc->header.raw = METH_TX_CMD_INT_EN | TX_CATBUF1 | TX_CATBUF2| (skb->len - 1);
         /* unaligned part */
         if (unaligned_len){
-                memcpy(desc->data.dt + (120 - unaligned_len),
-                       skb->data, unaligned_len);
+                skb_copy_from_linear_data(skb, desc->data.dt + (120 - unaligned_len),
+                              unaligned_len);
                 desc->header.raw |= (128 - unaligned_len) << 16;
         }