diff options
| author | Arvind Yadav <arvind.yadav.cs@gmail.com> | 2017-08-06 12:18:56 +0530 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-08-06 22:20:10 +0200 |
| commit | 8824ae2de876f7e73ca64937dca88e558db5b681 (patch) | |
| tree | 6f6c1d171c06e0677bb96b3c415597e5a8d1c48c /sound/usb/card.c | |
| parent | 57ee11eaa1e985d73a2762d28ee1eeef037d10ec (diff) | |
ALSA: usb-audio: 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@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/card.c')
| -rw-r--r-- | sound/usb/card.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/usb/card.c b/sound/usb/card.c index 6640277a725b..3dc36d913550 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -486,7 +486,7 @@ static bool get_alias_id(struct usb_device *dev, unsigned int *id) return false; } -static struct usb_device_id usb_audio_ids[]; /* defined below */ +static const struct usb_device_id usb_audio_ids[]; /* defined below */ /* look for the corresponding quirk */ static const struct snd_usb_audio_quirk * @@ -814,7 +814,7 @@ static int usb_audio_reset_resume(struct usb_interface *intf) #define usb_audio_reset_resume NULL #endif /* CONFIG_PM */ -static struct usb_device_id usb_audio_ids [] = { +static const struct usb_device_id usb_audio_ids [] = { #include "quirks-table.h" { .match_flags = (USB_DEVICE_ID_MATCH_INT_CLASS | USB_DEVICE_ID_MATCH_INT_SUBCLASS), .bInterfaceClass = USB_CLASS_AUDIO, |