From: Takashi Iwai <tiwai@suse.de>
Date: Fri, 3 Jan 2020 08:16:26 +0000 (+0100)
Subject: ALSA: usb: Constify snd_device_ops definitions
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c0a142e21bbaeddc9e0ed00045e0ac6c841f1769;p=linux.git

ALSA: usb: Constify snd_device_ops definitions

Now we may declare const for snd_device_ops definitions, so let's do
it for optimization.

There should be no functional changes by this patch.

Link: https://lore.kernel.org/r/20200103081714.9560-11-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 6cd4ff09c5ee6..f60e0869c096b 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -3407,7 +3407,7 @@ static int create_keep_iface_ctl(struct usb_mixer_interface *mixer)
 int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
 			 int ignore_error)
 {
-	static struct snd_device_ops dev_ops = {
+	static const struct snd_device_ops dev_ops = {
 		.dev_free = snd_usb_mixer_dev_free
 	};
 	struct usb_mixer_interface *mixer;