From: Jiri Slaby <jslaby@suse.cz>
Date: Thu, 3 Jan 2013 14:53:40 +0000 (+0100)
Subject: TTY: nozomi, remove dead code
X-Git-Tag: firefly_0821_release~3680^2~1078^2~107
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fa47ba75ec2d5818d7aeeb540e738827c4b69194;p=firefly-linux-kernel-4.4.55.git

TTY: nozomi, remove dead code

We test for !dc twice, remove the second test. Coverity found this.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/nozomi.c b/drivers/tty/nozomi.c
index afdd7732d925..2dff19796157 100644
--- a/drivers/tty/nozomi.c
+++ b/drivers/tty/nozomi.c
@@ -1679,12 +1679,6 @@ static int ntty_write(struct tty_struct *tty, const unsigned char *buffer,
 
 	rval = kfifo_in(&port->fifo_ul, (unsigned char *)buffer, count);
 
-	/* notify card */
-	if (unlikely(dc == NULL)) {
-		DBG1("No device context?");
-		goto exit;
-	}
-
 	spin_lock_irqsave(&dc->spin_mutex, flags);
 	/* CTS is only valid on the modem channel */
 	if (port == &(dc->port[PORT_MDM])) {
@@ -1700,7 +1694,6 @@ static int ntty_write(struct tty_struct *tty, const unsigned char *buffer,
 	}
 	spin_unlock_irqrestore(&dc->spin_mutex, flags);
 
-exit:
 	return rval;
 }