linux-kernel - [PATCH 01/15] ALSA: drivers: mpu401: constify pnp_device

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Message-Id: <1502964390-6927-2-git-send-email-arvind.yadav.cs@gmail.com>
Date:   Thu, 17 Aug 2017 15:36:16 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     perex@...ex.cz, tiwai@...e.com, dhowells@...hat.com
Cc:     linux-kernel@...r.kernel.org, alsa-devel@...a-project.org
Subject: [PATCH 01/15] ALSA: drivers: mpu401: constify pnp_device_id

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

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 sound/drivers/mpu401/mpu401.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/drivers/mpu401/mpu401.c b/sound/drivers/mpu401/mpu401.c
index 9b86e00..b671576 100644
--- a/sound/drivers/mpu401/mpu401.c
+++ b/sound/drivers/mpu401/mpu401.c
@@ -148,7 +148,7 @@ static struct platform_driver snd_mpu401_driver = {
 
 #define IO_EXTENT 2
 
-static struct pnp_device_id snd_mpu401_pnpids[] = {
+static const struct pnp_device_id snd_mpu401_pnpids[] = {
 	{ .id = "PNPb006" },
 	{ .id = "" }
 };
-- 
2.7.4