change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/arch/um/drivers/chan_kern.c
..
..
@@ -1,6 +1,6 @@
1
+// SPDX-License-Identifier: GPL-2.0
1
2
 /*
2
3
  * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{linux.intel,addtoit}.com)
3
- * Licensed under the GPL
4
4
  */
5
5
 
6
6
 #include <linux/slab.h>
..
..
@@ -247,12 +247,6 @@
247
247
 		deactivate_fd(chan->fd, irq);
248
248
 }
249
249
 
250
-void reactivate_chan(struct chan *chan, int irq)
251
-{
252
-	if (chan && chan->enabled)
253
-		reactivate_fd(chan->fd, irq);
254
-}
255
-
256
250
 int write_chan(struct chan *chan, const char *buf, int len,
257
251
 	       int write_irq)
258
252
 {
..
..
@@ -264,8 +258,6 @@
264
258
 	n = chan->ops->write(chan->fd, buf, len, chan->data);
265
259
 	if (chan->primary) {
266
260
 		ret = n;
267
-		if ((ret == -EAGAIN) || ((ret >= 0) && (ret < len)))
268
-			reactivate_fd(chan->fd, write_irq);
269
261
 	}
270
262
 	return ret;
271
263
 }
..
..
@@ -563,8 +555,6 @@
563
555
 			tty_insert_flip_char(port, c, TTY_NORMAL);
564
556
 	} while (err > 0);
565
557
 
566
-	if (err == 0)
567
-		reactivate_fd(chan->fd, irq);
568
558
 	if (err == -EIO) {
569
559
 		if (chan->primary) {
570
560
 			tty_port_tty_hangup(&line->port, false);