Commit 27d7ff46 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo Committed by David S. Miller
Browse files

[SK_BUFF]: Introduce skb_copy_to_linear_data{_offset} 



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

Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@ghostprotocols.net>
parent 3dbad80a

arch/ia64/hp/sim/simeth.c

+1 −1
Original line number Diff line number Diff line
@@ -473,7 +473,7 @@ simeth_rx(struct net_device *dev) 
		 * XXX Fix me

		 * Should really do a csum+copy here

		 */

		memcpy(skb->data, frame, len);

		skb_copy_to_linear_data(skb, frame, len);

#endif

		skb->protocol = eth_type_trans(skb, dev);

arch/ia64/sn/kernel/xpnet.c

+1 −1
Original line number Diff line number Diff line
@@ -233,7 +233,7 @@ xpnet_receive(partid_t partid, int channel, struct xpnet_message *msg) 
			"%lu)\n", skb->data, &msg->data,

			(size_t) msg->embedded_bytes);



		memcpy(skb->data, &msg->data, (size_t) msg->embedded_bytes);

		skb_copy_to_linear_data(skb, &msg->data, (size_t)msg->embedded_bytes);

	} else {

		dev_dbg(xpnet, "transferring buffer to the skb->data area;\n\t"

			"bte_copy(0x%p, 0x%p, %hu)\n", (void *)msg->buf_pa,

drivers/isdn/hysdn/hycapi.c

+2 −1
Original line number Diff line number Diff line
@@ -399,7 +399,8 @@ static u16 hycapi_send_message(struct capi_ctr *ctrl, struct sk_buff *skb) 
			if (_len > 22) {

				_len2 = _len - 22;

				skb_copy_from_linear_data(skb, msghead, 22);

				memcpy(skb->data + _len2, msghead, 22);

				skb_copy_to_linear_data_offset(skb, _len2,

							       msghead, 22);

				skb_pull(skb, _len2);

				CAPIMSG_SETLEN(skb->data, 22);

				retval = capilib_data_b3_req(&cinfo->ncci_head,

drivers/net/8139too.c

+3 −3
Original line number Diff line number Diff line
@@ -1904,10 +1904,10 @@ static __inline__ void wrap_copy(struct sk_buff *skb, const unsigned char *ring, 
	u32 left = RX_BUF_LEN - offset;



	if (size > left) {

		memcpy(skb->data, ring + offset, left);

		memcpy(skb->data+left, ring, size - left);

		skb_copy_to_linear_data(skb, ring + offset, left);

		skb_copy_to_linear_data_offset(skb, left, ring, size - left);

	} else

		memcpy(skb->data, ring + offset, size);

		skb_copy_to_linear_data(skb, ring + offset, size);

}

#endif

drivers/net/appletalk/ltpc.c

+1 −1
Original line number Diff line number Diff line
@@ -774,7 +774,7 @@ static int sendup_buffer (struct net_device *dev) 
	skb_pull(skb,3);



	/* copy ddp(s,e)hdr + contents */

	memcpy(skb->data,(void*)ltdmabuf,len);

	skb_copy_to_linear_data(skb, ltdmabuf, len);



	skb_reset_transport_header(skb);