linux-kernel - [patch] staging: speakup: remove unused code

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Date:   Thu, 1 Jun 2017 14:15:29 +0100
From:   Okash Khawaja <okash.khawaja@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        Samuel Thibault <samuel.thibault@...-lyon.org>,
        linux-kernel@...r.kernel.org
Cc:     William Hubbs <w.d.hubbs@...il.com>,
        Chris Brannon <chris@...-brannons.com>,
        Kirk Reiser <kirk@...sers.ca>, speakup@...ux-speakup.org,
        devel@...verdev.osuosl.org
Subject: [patch] staging: speakup: remove unused code

In spk_ttyio_release we read tty's index but never do anything with it.
The patch removes this dead code.

Signed-off-by: Okash Khawaja <okash.khawaja@...il.com>
Reviewed-by: Samuel Thibault <samuel.thibault@...-lyon.org>

---
 drivers/staging/speakup/spk_ttyio.c |    3 ---
 1 file changed, 3 deletions(-)

--- a/drivers/staging/speakup/spk_ttyio.c
+++ b/drivers/staging/speakup/spk_ttyio.c
@@ -247,13 +247,10 @@ EXPORT_SYMBOL_GPL(spk_ttyio_synth_probe)
 
 void spk_ttyio_release(void)
 {
-	int idx;
-
 	if (!speakup_tty)
 		return;
 
 	tty_lock(speakup_tty);
-	idx = speakup_tty->index;
 
 	if (speakup_tty->ops->close)
 		speakup_tty->ops->close(speakup_tty, NULL);