data_len in jsm_input cannot be zero as we would jump out early in the function. It also cannot be negative because it is an int and we do bitwise and with 8192. So remove the check.
Signed-off-by: Jiri Slaby <[email protected]> Cc: Lucas Tavares <[email protected]> --- drivers/tty/serial/jsm/jsm_tty.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/tty/serial/jsm/jsm_tty.c b/drivers/tty/serial/jsm/jsm_tty.c index 00f250a..27bb750 100644 --- a/drivers/tty/serial/jsm/jsm_tty.c +++ b/drivers/tty/serial/jsm/jsm_tty.c @@ -596,12 +596,6 @@ void jsm_input(struct jsm_channel *ch) jsm_dbg(READ, &ch->ch_bd->pci_dev, "start 2\n"); - if (data_len <= 0) { - spin_unlock_irqrestore(&ch->ch_lock, lock_flags); - jsm_dbg(READ, &ch->ch_bd->pci_dev, "jsm_input 1\n"); - return; - } - len = tty_buffer_request_room(port, data_len); n = len; -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
