2016-12-05 14:49:03 +00:00
|
|
|
diff -Nupr src.orig/drivers/tty/tty_buffer.c src/drivers/tty/tty_buffer.c
|
2017-09-22 19:38:29 +00:00
|
|
|
--- src.orig/drivers/tty/tty_buffer.c 2017-09-22 15:27:21.077053604 -0400
|
|
|
|
+++ src/drivers/tty/tty_buffer.c 2017-09-22 15:27:50.542175618 -0400
|
2016-12-05 14:49:03 +00:00
|
|
|
@@ -217,6 +217,10 @@ int tty_buffer_request_room(struct tty_p
|
|
|
|
/* OPTIMISATION: We could keep a per tty "zero" sized buffer to
|
|
|
|
remove this conditional if its worth it. This would be invisible
|
|
|
|
to the callers */
|
|
|
|
+
|
|
|
|
+ if (!size)
|
|
|
|
+ printk("kpatch-test: testing .smp_locks section changes\n");
|
|
|
|
+
|
|
|
|
b = buf->tail;
|
|
|
|
if (b != NULL)
|
|
|
|
left = b->size - b->used;
|