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path: root/drivers/s390/net/ctctty.c
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Diffstat (limited to 'drivers/s390/net/ctctty.c')
-rw-r--r--drivers/s390/net/ctctty.c28
1 files changed, 7 insertions, 21 deletions
diff --git a/drivers/s390/net/ctctty.c b/drivers/s390/net/ctctty.c
index 968f2c113ef..93d1725eb79 100644
--- a/drivers/s390/net/ctctty.c
+++ b/drivers/s390/net/ctctty.c
@@ -25,6 +25,7 @@
#include <linux/config.h>
#include <linux/module.h>
#include <linux/tty.h>
+#include <linux/tty_flip.h>
#include <linux/serial_reg.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
@@ -101,25 +102,17 @@ static spinlock_t ctc_tty_lock;
static int
ctc_tty_try_read(ctc_tty_info * info, struct sk_buff *skb)
{
- int c;
int len;
struct tty_struct *tty;
DBF_TEXT(trace, 5, __FUNCTION__);
if ((tty = info->tty)) {
if (info->mcr & UART_MCR_RTS) {
- c = TTY_FLIPBUF_SIZE - tty->flip.count;
len = skb->len;
- if (c >= len) {
- memcpy(tty->flip.char_buf_ptr, skb->data, len);
- memset(tty->flip.flag_buf_ptr, 0, len);
- tty->flip.count += len;
- tty->flip.char_buf_ptr += len;
- tty->flip.flag_buf_ptr += len;
- tty_flip_buffer_push(tty);
- kfree_skb(skb);
- return 1;
- }
+ tty_insert_flip_string(tty, skb->data, len);
+ tty_flip_buffer_push(tty);
+ kfree_skb(skb);
+ return 1;
}
}
return 0;
@@ -138,19 +131,12 @@ ctc_tty_readmodem(ctc_tty_info *info)
DBF_TEXT(trace, 5, __FUNCTION__);
if ((tty = info->tty)) {
if (info->mcr & UART_MCR_RTS) {
- int c = TTY_FLIPBUF_SIZE - tty->flip.count;
struct sk_buff *skb;
- if ((c > 0) && (skb = skb_dequeue(&info->rx_queue))) {
+ if ((skb = skb_dequeue(&info->rx_queue))) {
int len = skb->len;
- if (len > c)
- len = c;
- memcpy(tty->flip.char_buf_ptr, skb->data, len);
+ tty_insert_flip_string(tty, skb->data, len);
skb_pull(skb, len);
- memset(tty->flip.flag_buf_ptr, 0, len);
- tty->flip.count += len;
- tty->flip.char_buf_ptr += len;
- tty->flip.flag_buf_ptr += len;
tty_flip_buffer_push(tty);
if (skb->len > 0)
skb_queue_head(&info->rx_queue, skb);