[alsa-devel] [PATCH 2/7] ALSA: bcd2000: constify usb_device_id.

Arvind Yadav arvind.yadav.cs at gmail.com
Sun Aug 6 08:48:54 CEST 2017


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 at gmail.com>
---
 sound/usb/bcd2000/bcd2000.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/usb/bcd2000/bcd2000.c b/sound/usb/bcd2000/bcd2000.c
index 2ff9d57..7371e5b 100644
--- a/sound/usb/bcd2000/bcd2000.c
+++ b/sound/usb/bcd2000/bcd2000.c
@@ -29,7 +29,7 @@
 #define PREFIX "snd-bcd2000: "
 #define BUFSIZE 64
 
-static struct usb_device_id id_table[] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x1397, 0x00bd) },
 	{ },
 };
-- 
2.7.4



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