linux-kernel - [PATCH 6/7] ALSA: us122l: constify usb_device

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Date:   Sun,  6 Aug 2017 12:18:58 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     perex@...ex.cz, tiwai@...e.com, zonque@...il.com,
        clemens@...isch.de
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: [PATCH 6/7] ALSA: us122l: constify usb_device_id.

usb_device_id are not supposed to change at runtime. All functions
working with usb_device_id provided by <linux/usb.h> work with
const usb_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 sound/usb/usx2y/us122l.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c
index a33e31b2..b49d6e9 100644
--- a/sound/usb/usx2y/us122l.c
+++ b/sound/usb/usx2y/us122l.c
@@ -736,7 +736,7 @@ static int snd_us122l_resume(struct usb_interface *intf)
 	return err;
 }
 
-static struct usb_device_id snd_us122l_usb_id_table[] = {
+static const struct usb_device_id snd_us122l_usb_id_table[] = {
 	{
 		.match_flags =	USB_DEVICE_ID_MATCH_DEVICE,
 		.idVendor =	0x0644,
-- 
2.7.4