linux-kernel - [PATCH] ALSA: snd-usb: remove unused variable in init_pitch

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Message-ID: <CAPgLHd93+h76d2ABQCAaeM2PEuVQdBSTcuGAk_PG63AjCP0D6Q@mail.gmail.com>
Date:	Thu, 18 Oct 2012 22:46:23 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	perex@...ex.cz, tiwai@...e.de
Cc:	yongjun_wei@...ndmicro.com.cn, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] ALSA: snd-usb: remove unused variable in init_pitch_v2()

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

The variable ep is initialized but never used
otherwise, so remove the unused variable.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 sound/usb/pcm.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 55e19e1..f77b87a 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -171,11 +171,8 @@ static int init_pitch_v2(struct snd_usb_audio *chip, int iface,
 {
 	struct usb_device *dev = chip->dev;
 	unsigned char data[1];
-	unsigned int ep;
 	int err;
 
-	ep = get_endpoint(alts, 0)->bEndpointAddress;
-
 	data[0] = 1;
 	if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC2_CS_CUR,
 				   USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_OUT,

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