linux-kernel - [PATCH] ALSA: 6fire: remove unused variable card

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Date:   Mon, 16 Oct 2017 13:35:58 +0100
From:   Colin King <colin.king@...onical.com>
To:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        Markus Elfring <elfring@...rs.sourceforge.net>,
        Arvind Yadav <arvind.yadav.cs@...il.com>,
        alsa-devel@...a-project.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ALSA: 6fire: remove unused variable card

From: Colin Ian King <colin.king@...onical.com>

The pointer card is being assigned a value but it is never used.
Remove this redundant variable. Cleans up clang warning:
Value stored to 'card' is never read

Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 sound/usb/6fire/chip.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/sound/usb/6fire/chip.c b/sound/usb/6fire/chip.c
index c7641cb50616..17d5e3ee6d73 100644
--- a/sound/usb/6fire/chip.c
+++ b/sound/usb/6fire/chip.c
@@ -174,11 +174,9 @@ static int usb6fire_chip_probe(struct usb_interface *intf,
 static void usb6fire_chip_disconnect(struct usb_interface *intf)
 {
 	struct sfire_chip *chip;
-	struct snd_card *card;
 
 	chip = usb_get_intfdata(intf);
 	if (chip) { /* if !chip, fw upload has been performed */
-		card = chip->card;
 		chip->intf_count--;
 		if (!chip->intf_count) {
 			mutex_lock(&register_mutex);
-- 
2.14.1