diff options
Diffstat (limited to 'drivers/net/irda/irtty-sir.c')
| -rw-r--r-- | drivers/net/irda/irtty-sir.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/irda/irtty-sir.c b/drivers/net/irda/irtty-sir.c index fc753d7f674e..df755f501e67 100644 --- a/drivers/net/irda/irtty-sir.c +++ b/drivers/net/irda/irtty-sir.c @@ -64,7 +64,9 @@ static int irtty_chars_in_buffer(struct sir_dev *dev) IRDA_ASSERT(priv != NULL, return -1;); IRDA_ASSERT(priv->magic == IRTTY_MAGIC, return -1;); - return priv->tty->driver->chars_in_buffer(priv->tty); + if (priv->tty->driver->chars_in_buffer) + return priv->tty->driver->chars_in_buffer(priv->tty); + return 0; } /* Wait (sleep) until underlaying hardware finished transmission |