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-rw-r--r--drivers/s390/net/ctcm_fsms.c7
-rw-r--r--drivers/s390/net/ctcm_main.c10
-rw-r--r--drivers/s390/net/ctcm_mpc.c46
-rw-r--r--drivers/s390/net/lcs.c2
-rw-r--r--drivers/s390/net/netiucv.c10
-rw-r--r--drivers/s390/net/qeth_core_main.c10
6 files changed, 36 insertions, 49 deletions
diff --git a/drivers/s390/net/ctcm_fsms.c b/drivers/s390/net/ctcm_fsms.c
index 730d9619400e..e9847ce3860d 100644
--- a/drivers/s390/net/ctcm_fsms.c
+++ b/drivers/s390/net/ctcm_fsms.c
@@ -1279,7 +1279,7 @@ static void ctcmpc_chx_txdone(fsm_instance *fi, int event, void *arg)
__func__, data_space);
while ((skb = skb_dequeue(&ch->collect_queue))) {
- memcpy(skb_put(ch->trans_skb, skb->len), skb->data, skb->len);
+ skb_put_data(ch->trans_skb, skb->data, skb->len);
p_header = (struct pdu *)
(skb_tail_pointer(ch->trans_skb) - skb->len);
p_header->pdu_flag = 0x00;
@@ -1431,13 +1431,12 @@ static void ctcmpc_chx_rx(fsm_instance *fi, int event, void *arg)
break;
case MPCG_STATE_FLOWC:
case MPCG_STATE_READY:
- memcpy(skb_put(new_skb, block_len),
- skb->data, block_len);
+ skb_put_data(new_skb, skb->data, block_len);
skb_queue_tail(&ch->io_queue, new_skb);
tasklet_schedule(&ch->ch_tasklet);
break;
default:
- memcpy(skb_put(new_skb, len), skb->data, len);
+ skb_put_data(new_skb, skb->data, len);
skb_queue_tail(&ch->io_queue, new_skb);
tasklet_hi_schedule(&ch->ch_tasklet);
break;
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index 198842ce6876..99121352c57b 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -522,7 +522,7 @@ static int ctcm_transmit_skb(struct channel *ch, struct sk_buff *skb)
ctcm_clear_busy(ch->netdev);
return -ENOMEM;
} else {
- memcpy(skb_put(nskb, skb->len), skb->data, skb->len);
+ skb_put_data(nskb, skb->data, skb->len);
atomic_inc(&nskb->users);
atomic_dec(&skb->users);
dev_kfree_skb_irq(skb);
@@ -638,7 +638,7 @@ static void ctcmpc_send_sweep_req(struct channel *rch)
header->th.th_seq_num = 0x00;
header->sw.th_last_seq = ch->th_seq_num;
- memcpy(skb_put(sweep_skb, TH_SWEEP_LENGTH), header, TH_SWEEP_LENGTH);
+ skb_put_data(sweep_skb, header, TH_SWEEP_LENGTH);
kfree(header);
@@ -728,7 +728,7 @@ static int ctcmpc_transmit_skb(struct channel *ch, struct sk_buff *skb)
if (!nskb) {
goto nomem_exit;
} else {
- memcpy(skb_put(nskb, skb->len), skb->data, skb->len);
+ skb_put_data(nskb, skb->data, skb->len);
atomic_inc(&nskb->users);
atomic_dec(&skb->users);
dev_kfree_skb_irq(skb);
@@ -809,7 +809,7 @@ static int ctcmpc_transmit_skb(struct channel *ch, struct sk_buff *skb)
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_put_data(ch->trans_skb, skb->data, skb->len);
atomic_dec(&skb->users);
dev_kfree_skb_irq(skb);
ccw_idx = 0;
@@ -960,7 +960,7 @@ static int ctcmpc_tx(struct sk_buff *skb, struct net_device *dev)
}
newskb->protocol = skb->protocol;
skb_reserve(newskb, TH_HEADER_LENGTH + PDU_HEADER_LENGTH);
- memcpy(skb_put(newskb, skb->len), skb->data, skb->len);
+ skb_put_data(newskb, skb->data, skb->len);
dev_kfree_skb_any(skb);
skb = newskb;
}
diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c
index c103fc7efe9f..f8be39634f03 100644
--- a/drivers/s390/net/ctcm_mpc.c
+++ b/drivers/s390/net/ctcm_mpc.c
@@ -667,7 +667,7 @@ static void ctcmpc_send_sweep_resp(struct channel *rch)
header->th.th_seq_num = 0x00;
header->sw.th_last_seq = ch->th_seq_num;
- memcpy(skb_put(sweep_skb, TH_SWEEP_LENGTH), header, TH_SWEEP_LENGTH);
+ skb_put_data(sweep_skb, header, TH_SWEEP_LENGTH);
kfree(header);
@@ -974,9 +974,8 @@ void mpc_channel_action(struct channel *ch, int direction, int action)
skb_reset_tail_pointer(ch->xid_skb);
ch->xid_skb->len = 0;
- memcpy(skb_put(ch->xid_skb, grp->xid_skb->len),
- grp->xid_skb->data,
- grp->xid_skb->len);
+ skb_put_data(ch->xid_skb, grp->xid_skb->data,
+ grp->xid_skb->len);
ch->xid->xid2_dlc_type =
((CHANNEL_DIRECTION(ch->flags) == CTCM_READ)
@@ -1149,7 +1148,7 @@ static void ctcmpc_unpack_skb(struct channel *ch, struct sk_buff *pskb)
fsm_event(grp->fsm, MPCG_EVENT_INOP, dev);
goto done;
}
- memcpy(skb_put(skb, new_len), pskb->data, new_len);
+ skb_put_data(skb, pskb->data, new_len);
skb_reset_mac_header(skb);
skb->dev = pskb->dev;
@@ -1297,16 +1296,15 @@ struct mpc_group *ctcmpc_init_mpc_group(struct ctcm_priv *priv)
/* base xid for all channels in group */
grp->xid_skb_data = grp->xid_skb->data;
grp->xid_th = (struct th_header *)grp->xid_skb->data;
- memcpy(skb_put(grp->xid_skb, TH_HEADER_LENGTH),
- &thnorm, TH_HEADER_LENGTH);
+ skb_put_data(grp->xid_skb, &thnorm, TH_HEADER_LENGTH);
grp->xid = (struct xid2 *)skb_tail_pointer(grp->xid_skb);
- memcpy(skb_put(grp->xid_skb, XID2_LENGTH), &init_xid, XID2_LENGTH);
+ skb_put_data(grp->xid_skb, &init_xid, XID2_LENGTH);
grp->xid->xid2_adj_id = jiffies | 0xfff00000;
grp->xid->xid2_sender_id = jiffies;
grp->xid_id = skb_tail_pointer(grp->xid_skb);
- memcpy(skb_put(grp->xid_skb, 4), "VTAM", 4);
+ skb_put_data(grp->xid_skb, "VTAM", 4);
grp->rcvd_xid_skb =
__dev_alloc_skb(MPC_BUFSIZE_DEFAULT, GFP_ATOMIC|GFP_DMA);
@@ -1318,8 +1316,7 @@ struct mpc_group *ctcmpc_init_mpc_group(struct ctcm_priv *priv)
}
grp->rcvd_xid_data = grp->rcvd_xid_skb->data;
grp->rcvd_xid_th = (struct th_header *)grp->rcvd_xid_skb->data;
- memcpy(skb_put(grp->rcvd_xid_skb, TH_HEADER_LENGTH),
- &thnorm, TH_HEADER_LENGTH);
+ skb_put_data(grp->rcvd_xid_skb, &thnorm, TH_HEADER_LENGTH);
grp->saved_xid2 = NULL;
priv->xid = grp->xid;
priv->mpcg = grp;
@@ -1410,8 +1407,7 @@ static void mpc_action_go_inop(fsm_instance *fi, int event, void *arg)
skb_reset_tail_pointer(grp->rcvd_xid_skb);
grp->rcvd_xid_skb->len = 0;
grp->rcvd_xid_th = (struct th_header *)grp->rcvd_xid_skb->data;
- memcpy(skb_put(grp->rcvd_xid_skb, TH_HEADER_LENGTH), &thnorm,
- TH_HEADER_LENGTH);
+ skb_put_data(grp->rcvd_xid_skb, &thnorm, TH_HEADER_LENGTH);
if (grp->send_qllc_disc == 1) {
grp->send_qllc_disc = 0;
@@ -1590,8 +1586,7 @@ static int mpc_validate_xid(struct mpcg_info *mpcginfo)
grp->saved_xid2 =
(struct xid2 *)skb_tail_pointer(grp->rcvd_xid_skb);
- memcpy(skb_put(grp->rcvd_xid_skb,
- XID2_LENGTH), xid, XID2_LENGTH);
+ skb_put_data(grp->rcvd_xid_skb, xid, XID2_LENGTH);
grp->rcvd_xid_skb->data = grp->rcvd_xid_data;
skb_reset_tail_pointer(grp->rcvd_xid_skb);
@@ -1908,17 +1903,15 @@ static void mpc_action_doxid7(fsm_instance *fsm, int event, void *arg)
if (fsm_getstate(ch->fsm) == CH_XID7_PENDING1) {
fsm_newstate(ch->fsm, CH_XID7_PENDING2);
ch->ccw[8].cmd_code = CCW_CMD_SENSE_CMD;
- memcpy(skb_put(ch->xid_skb,
- TH_HEADER_LENGTH),
- &thdummy, TH_HEADER_LENGTH);
+ skb_put_data(ch->xid_skb, &thdummy,
+ TH_HEADER_LENGTH);
send = 1;
}
} else if (fsm_getstate(ch->fsm) < CH_XID7_PENDING2) {
fsm_newstate(ch->fsm, CH_XID7_PENDING2);
ch->ccw[8].cmd_code = CCW_CMD_WRITE_CTL;
- memcpy(skb_put(ch->xid_skb,
- TH_HEADER_LENGTH),
- &thnorm, TH_HEADER_LENGTH);
+ skb_put_data(ch->xid_skb, &thnorm,
+ TH_HEADER_LENGTH);
send = 1;
}
} else {
@@ -1926,17 +1919,16 @@ static void mpc_action_doxid7(fsm_instance *fsm, int event, void *arg)
if (grp->roll == YSIDE) {
if (fsm_getstate(ch->fsm) < CH_XID7_PENDING4) {
fsm_newstate(ch->fsm, CH_XID7_PENDING4);
- memcpy(skb_put(ch->xid_skb,
- TH_HEADER_LENGTH),
- &thnorm, TH_HEADER_LENGTH);
+ skb_put_data(ch->xid_skb, &thnorm,
+ TH_HEADER_LENGTH);
ch->ccw[8].cmd_code = CCW_CMD_WRITE_CTL;
send = 1;
}
} else if (fsm_getstate(ch->fsm) == CH_XID7_PENDING3) {
fsm_newstate(ch->fsm, CH_XID7_PENDING4);
ch->ccw[8].cmd_code = CCW_CMD_SENSE_CMD;
- memcpy(skb_put(ch->xid_skb, TH_HEADER_LENGTH),
- &thdummy, TH_HEADER_LENGTH);
+ skb_put_data(ch->xid_skb, &thdummy,
+ TH_HEADER_LENGTH);
send = 1;
}
}
@@ -2122,7 +2114,7 @@ static int mpc_send_qllc_discontact(struct net_device *dev)
return -ENOMEM;
}
- memcpy(skb_put(skb, new_len), qllcptr, new_len);
+ skb_put_data(skb, qllcptr, new_len);
kfree(qllcptr);
if (skb_headroom(skb) < 4) {
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 211b31d9f157..337bacb43d68 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -1796,7 +1796,7 @@ lcs_get_skb(struct lcs_card *card, char *skb_data, unsigned int skb_len)
card->stats.rx_dropped++;
return;
}
- memcpy(skb_put(skb, skb_len), skb_data, skb_len);
+ skb_put_data(skb, skb_data, skb_len);
skb->protocol = card->lan_type_trans(skb, card->dev);
card->stats.rx_bytes += skb_len;
card->stats.rx_packets++;
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index fa732bd86729..7db427c0a6a4 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -759,8 +759,7 @@ static void conn_action_txdone(fsm_instance *fi, int event, void *arg)
spin_lock_irqsave(&conn->collect_lock, saveflags);
while ((skb = skb_dequeue(&conn->collect_queue))) {
header.next = conn->tx_buff->len + skb->len + NETIUCV_HDRLEN;
- memcpy(skb_put(conn->tx_buff, NETIUCV_HDRLEN), &header,
- NETIUCV_HDRLEN);
+ skb_put_data(conn->tx_buff, &header, NETIUCV_HDRLEN);
skb_copy_from_linear_data(skb,
skb_put(conn->tx_buff, skb->len),
skb->len);
@@ -780,7 +779,7 @@ static void conn_action_txdone(fsm_instance *fi, int event, void *arg)
}
header.next = 0;
- memcpy(skb_put(conn->tx_buff, NETIUCV_HDRLEN), &header, NETIUCV_HDRLEN);
+ skb_put_data(conn->tx_buff, &header, NETIUCV_HDRLEN);
conn->prof.send_stamp = jiffies;
txmsg.class = 0;
txmsg.tag = 0;
@@ -1201,8 +1200,7 @@ static int netiucv_transmit_skb(struct iucv_connection *conn,
return rc;
} else {
skb_reserve(nskb, NETIUCV_HDRLEN);
- memcpy(skb_put(nskb, skb->len),
- skb->data, skb->len);
+ skb_put_data(nskb, skb->data, skb->len);
}
copied = 1;
}
@@ -1212,7 +1210,7 @@ static int netiucv_transmit_skb(struct iucv_connection *conn,
header.next = nskb->len + NETIUCV_HDRLEN;
memcpy(skb_push(nskb, NETIUCV_HDRLEN), &header, NETIUCV_HDRLEN);
header.next = 0;
- memcpy(skb_put(nskb, NETIUCV_HDRLEN), &header, NETIUCV_HDRLEN);
+ skb_put_data(nskb, &header, NETIUCV_HDRLEN);
fsm_newstate(conn->fsm, CONN_STATE_TX);
conn->prof.send_stamp = jiffies;
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 1fb92e870040..08338f27c82c 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -5147,12 +5147,11 @@ static inline int qeth_create_skb_frag(struct qeth_qdio_buffer *qethbuffer,
skb_reserve(*pskb, ETH_HLEN);
if (data_len <= QETH_RX_PULL_LEN) {
- memcpy(skb_put(*pskb, data_len), element->addr + offset,
- data_len);
+ skb_put_data(*pskb, element->addr + offset, data_len);
} else {
get_page(page);
- memcpy(skb_put(*pskb, QETH_RX_PULL_LEN),
- element->addr + offset, QETH_RX_PULL_LEN);
+ skb_put_data(*pskb, element->addr + offset,
+ QETH_RX_PULL_LEN);
skb_fill_page_desc(*pskb, *pfrag, page,
offset + QETH_RX_PULL_LEN,
data_len - QETH_RX_PULL_LEN);
@@ -5248,8 +5247,7 @@ struct sk_buff *qeth_core_get_next_skb(struct qeth_card *card,
&skb, offset, &frag, data_len))
goto no_mem;
} else {
- memcpy(skb_put(skb, data_len), data_ptr,
- data_len);
+ skb_put_data(skb, data_ptr, data_len);
}
}
skb_len -= data_len;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.