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path: root/drivers/s390/net/ctcm_main.c
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Diffstat (limited to 'drivers/s390/net/ctcm_main.c')
-rw-r--r--drivers/s390/net/ctcm_main.c31
1 files changed, 4 insertions, 27 deletions
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index d06809eac16d..9e28c63415ed 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -623,25 +623,10 @@ static void ctcmpc_send_sweep_req(struct channel *rch)
goto nomem;
}
- header = kmalloc(TH_SWEEP_LENGTH, gfp_type());
-
- if (!header) {
- dev_kfree_skb_any(sweep_skb);
- /* rc = -ENOMEM; */
- goto nomem;
- }
-
- header->th.th_seg = 0x00 ;
+ header = skb_put_zero(sweep_skb, TH_SWEEP_LENGTH);
header->th.th_ch_flag = TH_SWEEP_REQ; /* 0x0f */
- header->th.th_blk_flag = 0x00;
- header->th.th_is_xid = 0x00;
- header->th.th_seq_num = 0x00;
header->sw.th_last_seq = ch->th_seq_num;
- skb_put_data(sweep_skb, header, TH_SWEEP_LENGTH);
-
- kfree(header);
-
netif_trans_update(dev);
skb_queue_tail(&ch->sweep_queue, sweep_skb);
@@ -768,25 +753,17 @@ static int ctcmpc_transmit_skb(struct channel *ch, struct sk_buff *skb)
ch->prof.txlen += skb->len - PDU_HEADER_LENGTH;
- header = kmalloc(TH_HEADER_LENGTH, gfp_type());
- if (!header)
- goto nomem_exit;
+ /* put the TH on the packet */
+ header = skb_push(skb, TH_HEADER_LENGTH);
+ memset(header, 0, TH_HEADER_LENGTH);
- header->th_seg = 0x00;
header->th_ch_flag = TH_HAS_PDU; /* Normal data */
- header->th_blk_flag = 0x00;
- header->th_is_xid = 0x00; /* Just data here */
ch->th_seq_num++;
header->th_seq_num = ch->th_seq_num;
CTCM_PR_DBGDATA("%s(%s) ToVTAM_th_seq= %08x\n" ,
__func__, dev->name, ch->th_seq_num);
- /* put the TH on the packet */
- memcpy(skb_push(skb, TH_HEADER_LENGTH), header, TH_HEADER_LENGTH);
-
- kfree(header);
-
CTCM_PR_DBGDATA("%s(%s): skb len: %04x\n - pdu header and data for "
"up to 32 bytes sent to vtam:\n",
__func__, dev->name, skb->len);