From b1622e0ac1b18632cff1e9af807fcdcb2397071b Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 7 Mar 2013 13:12:25 +0100 Subject: [PATCH] TTY: jsm, remove superfluous check 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 Cc: Lucas Tavares Signed-off-by: Greg Kroah-Hartman --- 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 00f250ae14c5..27bb75070c96 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; -- 2.20.1