X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fs390%2Fchar%2Fsclp_vt220.c;h=723bf4191bfe2adb009c55d59797dfd98891f882;hb=refs%2Fheads%2Fvserver;hp=06bd85824d7bcf822ddd91b614f49ee70e5d0247;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git

diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 06bd85824..723bf4191 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -7,7 +7,6 @@
  *    Author(s): Peter Oberparleiter <Peter.Oberparleiter@de.ibm.com>
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/spinlock.h>
 #include <linux/list.h>
@@ -16,6 +15,7 @@
 #include <linux/kernel.h>
 #include <linux/tty.h>
 #include <linux/tty_driver.h>
+#include <linux/tty_flip.h>
 #include <linux/sched.h>
 #include <linux/errno.h>
 #include <linux/mm.h>
@@ -482,16 +482,7 @@ sclp_vt220_receiver_fn(struct evbuf_header *evbuf)
 		/* Send input to line discipline */
 		buffer++;
 		count--;
-		/* Prevent buffer overrun by discarding input. Note that
-		 * because buffer_push works asynchronously, we cannot wait
-		 * for the buffer to be emptied. */
-		if (count + sclp_vt220_tty->flip.count > TTY_FLIPBUF_SIZE)
-			count = TTY_FLIPBUF_SIZE - sclp_vt220_tty->flip.count;
-		memcpy(sclp_vt220_tty->flip.char_buf_ptr, buffer, count);
-		memset(sclp_vt220_tty->flip.flag_buf_ptr, TTY_NORMAL, count);
-		sclp_vt220_tty->flip.char_buf_ptr += count;
-		sclp_vt220_tty->flip.flag_buf_ptr += count;
-		sclp_vt220_tty->flip.count += count;
+		tty_insert_flip_string(sclp_vt220_tty, buffer, count);
 		tty_flip_buffer_push(sclp_vt220_tty);
 		break;
 	}
@@ -664,7 +655,7 @@ __sclp_vt220_init(int early)
 	return 0;
 }
 
-static struct tty_operations sclp_vt220_ops = {
+static const struct tty_operations sclp_vt220_ops = {
 	.open = sclp_vt220_open,
 	.close = sclp_vt220_close,
 	.write = sclp_vt220_write,