On Fri, Oct 21, 2022 at 02:25:52PM +0000, Klemens Nanni wrote:

> Not that big, but quirks are likely to grow in the feature and there is
> no reason to keep them writable:
> ffffffff822c0750 g     O .data  0000000000000160 uvideo_devs
> 
> Builds fine on amd64 but I don't have uvideo(4) attaching anywhere.
> OK?

No issues spotted with this diff.

ok mglocker@
 
> diff --git a/sys/dev/usb/uvideo.c b/sys/dev/usb/uvideo.c
> index de4784beb63..f947ed56133 100644
> --- a/sys/dev/usb/uvideo.c
> +++ b/sys/dev/usb/uvideo.c
> @@ -106,7 +106,7 @@ struct uvideo_softc {
>       uint8_t                                 *sc_uplayer_fbuffer;
>       void                                     (*sc_uplayer_intr)(void *);
>  
> -     struct uvideo_devs                      *sc_quirk;
> +     const struct uvideo_devs                *sc_quirk;
>       usbd_status                             (*sc_decode_stream_header)
>                                                   (struct uvideo_softc *,
>                                                   uint8_t *, int);
> @@ -303,7 +303,7 @@ const struct video_hw_if uvideo_hw_if = {
>  #define UVIDEO_FLAG_REATTACH                 0x2
>  #define UVIDEO_FLAG_VENDOR_CLASS             0x4
>  #define UVIDEO_FLAG_NOATTACH                 0x8
> -struct uvideo_devs {
> +const struct uvideo_devs {
>       struct usb_devno         uv_dev;
>       char                    *ucode_name;
>       usbd_status              (*ucode_loader)(struct uvideo_softc *);
> @@ -386,7 +386,7 @@ struct uvideo_devs {
>       },
>  };
>  #define uvideo_lookup(v, p) \
> -     ((struct uvideo_devs *)usb_lookup(uvideo_devs, v, p))
> +     ((const struct uvideo_devs *)usb_lookup(uvideo_devs, v, p))
>  
>  int
>  uvideo_open(void *addr, int flags, int *size, uint8_t *buffer,
> @@ -440,7 +440,7 @@ uvideo_match(struct device *parent, void *match, void 
> *aux)
>  {
>       struct usb_attach_arg *uaa = aux;
>       usb_interface_descriptor_t *id;
> -     struct uvideo_devs *quirk;
> +     const struct uvideo_devs *quirk;
>  
>       if (uaa->iface == NULL)
>               return (UMATCH_NONE);
> 

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