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path: root/drivers/s390/net/ctcmain.c
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Diffstat (limited to 'drivers/s390/net/ctcmain.c')
-rw-r--r--drivers/s390/net/ctcmain.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/s390/net/ctcmain.c b/drivers/s390/net/ctcmain.c
index 570a960bfb5..b20fd068173 100644
--- a/drivers/s390/net/ctcmain.c
+++ b/drivers/s390/net/ctcmain.c
@@ -455,7 +455,7 @@ ctc_unpack_skb(struct channel *ch, struct sk_buff *pskb)
return;
}
skb_put(pskb, header->length);
- pskb->mac.raw = pskb->data;
+ skb_reset_mac_header(pskb);
len -= header->length;
skb = dev_alloc_skb(pskb->len);
if (!skb) {
@@ -472,8 +472,9 @@ ctc_unpack_skb(struct channel *ch, struct sk_buff *pskb)
privptr->stats.rx_dropped++;
return;
}
- memcpy(skb_put(skb, pskb->len), pskb->data, pskb->len);
- skb->mac.raw = skb->data;
+ skb_copy_from_linear_data(pskb, skb_put(skb, pskb->len),
+ pskb->len);
+ skb_reset_mac_header(skb);
skb->dev = pskb->dev;
skb->protocol = pskb->protocol;
pskb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -706,7 +707,8 @@ ch_action_txdone(fsm_instance * fi, int event, void *arg)
spin_unlock(&ch->collect_lock);
return;
}
- ch->trans_skb->tail = ch->trans_skb->data = ch->trans_skb_data;
+ ch->trans_skb->data = ch->trans_skb_data;
+ skb_reset_tail_pointer(ch->trans_skb);
ch->trans_skb->len = 0;
if (ch->prof.maxmulti < (ch->collect_len + 2))
ch->prof.maxmulti = ch->collect_len + 2;
@@ -715,8 +717,9 @@ ch_action_txdone(fsm_instance * fi, int event, void *arg)
*((__u16 *) skb_put(ch->trans_skb, 2)) = ch->collect_len + 2;
i = 0;
while ((skb = skb_dequeue(&ch->collect_queue))) {
- memcpy(skb_put(ch->trans_skb, skb->len), skb->data,
- skb->len);
+ skb_copy_from_linear_data(skb, skb_put(ch->trans_skb,
+ skb->len),
+ skb->len);
privptr->stats.tx_packets++;
privptr->stats.tx_bytes += skb->len - LL_HEADER_LENGTH;
atomic_dec(&skb->users);
@@ -831,7 +834,8 @@ ch_action_rx(fsm_instance * fi, int event, void *arg)
ctc_unpack_skb(ch, skb);
}
again:
- skb->data = skb->tail = ch->trans_skb_data;
+ skb->data = ch->trans_skb_data;
+ skb_reset_tail_pointer(skb);
skb->len = 0;
if (ctc_checkalloc_buffer(ch, 1))
return;
@@ -2223,7 +2227,8 @@ transmit_skb(struct channel *ch, struct sk_buff *skb)
* IDAL support in CTC is broken, so we have to
* care about skb's above 2G ourselves.
*/
- hi = ((unsigned long) skb->tail + LL_HEADER_LENGTH) >> 31;
+ hi = ((unsigned long)skb_tail_pointer(skb) +
+ LL_HEADER_LENGTH) >> 31;
if (hi) {
nskb = alloc_skb(skb->len, GFP_ATOMIC | GFP_DMA);
if (!nskb) {
@@ -2259,11 +2264,12 @@ transmit_skb(struct channel *ch, struct sk_buff *skb)
return -EBUSY;
}
- ch->trans_skb->tail = ch->trans_skb->data;
+ skb_reset_tail_pointer(ch->trans_skb);
ch->trans_skb->len = 0;
ch->ccw[1].count = skb->len;
- memcpy(skb_put(ch->trans_skb, skb->len), skb->data,
- skb->len);
+ skb_copy_from_linear_data(skb, skb_put(ch->trans_skb,
+ skb->len),
+ skb->len);
atomic_dec(&skb->users);
dev_kfree_skb_irq(skb);
ccw_idx = 0;