diff options
Diffstat (limited to 'drivers/tty/tty_buffer.c')
-rw-r--r-- | drivers/tty/tty_buffer.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index 94a88dc05a54..c101b4ab737e 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -325,6 +325,9 @@ int __tty_insert_flip_string_flags(struct tty_port *port, const u8 *chars, flags += space; } else if (tb->flags) { memset(flag_buf_ptr(tb, tb->used), flags[0], space); + } else { + /* tb->flags should be available once requested */ + WARN_ON_ONCE(need_flags); } tb->used += space; |