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 <[email protected]>
viveris · Jan 1, 2021 · e3de62f · e3de62f
1 parent 5f8d18d
commit e3de62f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/module/tty0tty.c b/module/tty0tty.c
@@ -261,7 +261,7 @@ static int tty0tty_write(struct tty_struct *tty, const unsigned char *buffer,
 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;