diff options
Diffstat (limited to 'net/tipc/link.c')
| -rw-r--r-- | net/tipc/link.c | 46 |
1 files changed, 24 insertions, 22 deletions
diff --git a/net/tipc/link.c b/net/tipc/link.c index 71c2f2fd405c..f3f99c8ea08a 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -1001,7 +1001,7 @@ static int link_bundle_buf(struct link *l_ptr, return 0; skb_put(bundler, pad + size); - memcpy(bundler->data + to_pos, buf->data, size); + skb_copy_to_linear_data_offset(bundler, to_pos, buf->data, size); msg_set_size(bundler_msg, to_pos + size); msg_set_msgcnt(bundler_msg, msg_msgcnt(bundler_msg) + 1); dbg("Packed msg # %u(%u octets) into pos %u in buf(#%u)\n", @@ -1109,8 +1109,8 @@ int tipc_link_send_buf(struct link *l_ptr, struct sk_buff *buf) if (bundler) { msg_init(&bundler_hdr, MSG_BUNDLER, OPEN_MSG, TIPC_OK, INT_H_SIZE, l_ptr->addr); - memcpy(bundler->data, (unchar *)&bundler_hdr, - INT_H_SIZE); + skb_copy_to_linear_data(bundler, &bundler_hdr, + INT_H_SIZE); skb_trim(bundler, INT_H_SIZE); link_bundle_buf(l_ptr, bundler, buf); buf = bundler; @@ -1383,9 +1383,9 @@ again: if (!buf) return -ENOMEM; buf->next = NULL; - memcpy(buf->data, (unchar *)&fragm_hdr, INT_H_SIZE); + skb_copy_to_linear_data(buf, &fragm_hdr, INT_H_SIZE); hsz = msg_hdr_sz(hdr); - memcpy(buf->data + INT_H_SIZE, (unchar *)hdr, hsz); + skb_copy_to_linear_data_offset(buf, INT_H_SIZE, hdr, hsz); msg_dbg(buf_msg(buf), ">BUILD>"); /* Chop up message: */ @@ -1416,8 +1416,8 @@ error: return -EFAULT; } } else - memcpy(buf->data + fragm_crs, sect_crs, sz); - + skb_copy_to_linear_data_offset(buf, fragm_crs, + sect_crs, sz); sect_crs += sz; sect_rest -= sz; fragm_crs += sz; @@ -1442,7 +1442,7 @@ error: buf->next = NULL; prev->next = buf; - memcpy(buf->data, (unchar *)&fragm_hdr, INT_H_SIZE); + skb_copy_to_linear_data(buf, &fragm_hdr, INT_H_SIZE); fragm_crs = INT_H_SIZE; fragm_rest = fragm_sz; msg_dbg(buf_msg(buf)," >BUILD>"); @@ -2130,7 +2130,7 @@ void tipc_link_send_proto_msg(struct link *l_ptr, u32 msg_typ, int probe_msg, buf = l_ptr->proto_msg_queue; if (!buf) return; - memcpy(buf->data, (unchar *)msg, sizeof(l_ptr->proto_msg)); + skb_copy_to_linear_data(buf, msg, sizeof(l_ptr->proto_msg)); return; } msg_set_timestamp(msg, jiffies_to_msecs(jiffies)); @@ -2143,7 +2143,7 @@ void tipc_link_send_proto_msg(struct link *l_ptr, u32 msg_typ, int probe_msg, if (!buf) return; - memcpy(buf->data, (unchar *)msg, sizeof(l_ptr->proto_msg)); + skb_copy_to_linear_data(buf, msg, sizeof(l_ptr->proto_msg)); msg_set_size(buf_msg(buf), msg_size); if (tipc_bearer_send(l_ptr->b_ptr, buf, &l_ptr->media_addr)) { @@ -2319,8 +2319,8 @@ void tipc_link_tunnel(struct link *l_ptr, "unable to send tunnel msg\n"); return; } - memcpy(buf->data, (unchar *)tunnel_hdr, INT_H_SIZE); - memcpy(buf->data + INT_H_SIZE, (unchar *)msg, length); + skb_copy_to_linear_data(buf, tunnel_hdr, INT_H_SIZE); + skb_copy_to_linear_data_offset(buf, INT_H_SIZE, msg, length); dbg("%c->%c:", l_ptr->b_ptr->net_plane, tunnel->b_ptr->net_plane); msg_dbg(buf_msg(buf), ">SEND>"); tipc_link_send_buf(tunnel, buf); @@ -2361,7 +2361,7 @@ void tipc_link_changeover(struct link *l_ptr) buf = buf_acquire(INT_H_SIZE); if (buf) { - memcpy(buf->data, (unchar *)&tunnel_hdr, INT_H_SIZE); + skb_copy_to_linear_data(buf, &tunnel_hdr, INT_H_SIZE); msg_set_size(&tunnel_hdr, INT_H_SIZE); dbg("%c->%c:", l_ptr->b_ptr->net_plane, tunnel->b_ptr->net_plane); @@ -2426,8 +2426,9 @@ void tipc_link_send_duplicate(struct link *l_ptr, struct link *tunnel) "unable to send duplicate msg\n"); return; } - memcpy(outbuf->data, (unchar *)&tunnel_hdr, INT_H_SIZE); - memcpy(outbuf->data + INT_H_SIZE, iter->data, length); + skb_copy_to_linear_data(outbuf, &tunnel_hdr, INT_H_SIZE); + skb_copy_to_linear_data_offset(outbuf, INT_H_SIZE, iter->data, + length); dbg("%c->%c:", l_ptr->b_ptr->net_plane, tunnel->b_ptr->net_plane); msg_dbg(buf_msg(outbuf), ">SEND>"); @@ -2457,7 +2458,7 @@ static struct sk_buff *buf_extract(struct sk_buff *skb, u32 from_pos) eb = buf_acquire(size); if (eb) - memcpy(eb->data, (unchar *)msg, size); + skb_copy_to_linear_data(eb, msg, size); return eb; } @@ -2631,9 +2632,9 @@ int tipc_link_send_long_buf(struct link *l_ptr, struct sk_buff *buf) goto exit; } msg_set_size(&fragm_hdr, fragm_sz + INT_H_SIZE); - memcpy(fragm->data, (unchar *)&fragm_hdr, INT_H_SIZE); - memcpy(fragm->data + INT_H_SIZE, crs, fragm_sz); - + skb_copy_to_linear_data(fragm, &fragm_hdr, INT_H_SIZE); + skb_copy_to_linear_data_offset(fragm, INT_H_SIZE, crs, + fragm_sz); /* Send queued messages first, if any: */ l_ptr->stats.sent_fragments++; @@ -2733,8 +2734,8 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb, if (pbuf != NULL) { pbuf->next = *pending; *pending = pbuf; - memcpy(pbuf->data, (unchar *)imsg, msg_data_sz(fragm)); - + skb_copy_to_linear_data(pbuf, imsg, + msg_data_sz(fragm)); /* Prepare buffer for subsequent fragments. */ set_long_msg_seqno(pbuf, long_msg_seq_no); @@ -2750,7 +2751,8 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb, u32 fsz = get_fragm_size(pbuf); u32 crs = ((msg_fragm_no(fragm) - 1) * fsz); u32 exp_frags = get_expected_frags(pbuf) - 1; - memcpy(pbuf->data + crs, msg_data(fragm), dsz); + skb_copy_to_linear_data_offset(pbuf, crs, + msg_data(fragm), dsz); buf_discard(fbuf); /* Is message complete? */ |