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path: root/drivers/s390/net/ctcm_mpc.c
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Diffstat (limited to 'drivers/s390/net/ctcm_mpc.c')
-rw-r--r--drivers/s390/net/ctcm_mpc.c46
1 files changed, 19 insertions, 27 deletions
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) {