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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2007-03-27 18:55:52 -0300 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:28:23 -0700 |
| commit | d626f62b11e00c16e81e4308ab93d3f13551812a (patch) | |
| tree | fac4af6ced853755e12fc709d55f0c2bec51265d /drivers/atm | |
| parent | 2a123b86e2b242a4a6db990d2851d45e192f88e5 (diff) | |
| download | kernel-common-d626f62b11e00c16e81e4308ab93d3f13551812a.tar.gz kernel-common-d626f62b11e00c16e81e4308ab93d3f13551812a.tar.bz2 kernel-common-d626f62b11e00c16e81e4308ab93d3f13551812a.zip | |
[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>
Diffstat (limited to 'drivers/atm')
| -rw-r--r-- | drivers/atm/atmtcp.c | 4 | ||||
| -rw-r--r-- | drivers/atm/nicstar.c | 6 |
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c index fc518d85543d..1b9493a16aca 100644 --- a/drivers/atm/atmtcp.c +++ b/drivers/atm/atmtcp.c @@ -221,7 +221,7 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb) hdr->vpi = htons(vcc->vpi); hdr->vci = htons(vcc->vci); hdr->length = htonl(skb->len); - memcpy(skb_put(new_skb,skb->len),skb->data,skb->len); + skb_copy_from_linear_data(skb, skb_put(new_skb, skb->len), skb->len); if (vcc->pop) vcc->pop(vcc,skb); else dev_kfree_skb(skb); out_vcc->push(out_vcc,new_skb); @@ -310,7 +310,7 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb) goto done; } __net_timestamp(new_skb); - memcpy(skb_put(new_skb,skb->len),skb->data,skb->len); + skb_copy_from_linear_data(skb, skb_put(new_skb, skb->len), skb->len); out_vcc->push(out_vcc,new_skb); atomic_inc(&vcc->stats->tx); atomic_inc(&out_vcc->stats->rx); diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c index 26f4b7033494..14ced85b3f54 100644 --- a/drivers/atm/nicstar.c +++ b/drivers/atm/nicstar.c @@ -2395,7 +2395,7 @@ static void dequeue_rx(ns_dev *card, ns_rsqe *rsqe) skb->destructor = ns_lb_destructor; #endif /* NS_USE_DESTRUCTORS */ skb_push(skb, NS_SMBUFSIZE); - memcpy(skb->data, sb->data, NS_SMBUFSIZE); + skb_copy_from_linear_data(sb, skb->data, NS_SMBUFSIZE); skb_put(skb, len - NS_SMBUFSIZE); ATM_SKB(skb)->vcc = vcc; __net_timestamp(skb); @@ -2479,7 +2479,7 @@ static void dequeue_rx(ns_dev *card, ns_rsqe *rsqe) { /* Copy the small buffer to the huge buffer */ sb = (struct sk_buff *) iov->iov_base; - memcpy(hb->data, sb->data, iov->iov_len); + skb_copy_from_linear_data(sb, hb->data, iov->iov_len); skb_put(hb, iov->iov_len); remaining = len - iov->iov_len; iov++; @@ -2491,7 +2491,7 @@ static void dequeue_rx(ns_dev *card, ns_rsqe *rsqe) { lb = (struct sk_buff *) iov->iov_base; tocopy = min_t(int, remaining, iov->iov_len); - memcpy(skb_tail_pointer(hb), lb->data, tocopy); + skb_copy_from_linear_data(lb, skb_tail_pointer(hb), tocopy); skb_put(hb, tocopy); iov++; remaining -= tocopy; |