--- zzzz-none-000/linux-4.9.279/drivers/tty/tty_io.c	2021-08-08 06:38:54.000000000 +0000
+++ puma7-arm-6591-750/linux-4.9.279/drivers/tty/tty_io.c	2023-02-08 10:58:14.000000000 +0000
@@ -62,7 +62,11 @@
  * Move do_SAK() into process context.  Less stack use in devfs functions.
  * alloc_tty_struct() always uses kmalloc()
  *			 -- Andrew Morton <andrewm@uow.edu.eu> 17Mar01
- */
+ *
+ *
+ * Includes Intel Corporation's changes/modifications dated: [01/24/2013].
+ * Changed/modified portions - Copyright © [2011], Intel Corporation.
+*/
 
 #include <linux/types.h>
 #include <linux/major.h>
@@ -1256,6 +1260,10 @@
 
 	if (tty_paranoia_check(tty, file_inode(file), "tty_write"))
 		return -EIO;
+    /* in case TCOOFF ioctl was called*/
+	if (tty->flow_stopped == 1) {
+		return count;
+	}
 	if (!tty || !tty->ops->write ||	tty_io_error(tty))
 			return -EIO;
 	/* Short term debug to catch buggy drivers */