Allow tty0tty_write_room() to return ENOBUFS

The very generic error code EINVAL, in function tty0tty_write, replaced with more informative "No buffer space available" return code ENOBUFS. Signed-off-by: Geert Stappers <stappers@stappers.it>

Allow tty0tty_write_room() to return ENOBUFS
The very generic error code EINVAL, in function tty0tty_write, replaced with more informative "No buffer space available" return code ENOBUFS. Signed-off-by: Geert Stappers <stappers@stappers.it>
Geert Stappers · Geert Stappers
1 parent 5f8d18dd
Showing 1 changed file with 1 additions and 1 deletions
module/tty0tty.c
@@ -261,7 +261,7 @@ exit:
 static int tty0tty_write_room(struct tty_struct *tty)
 {
 	struct tty0tty_serial *tty0tty = tty->driver_data;
-	int room = -EINVAL;
+	int room = -ENOBUFS;
  
 	if (!tty0tty)
 		return -ENODEV;