Re: [PATCH 1/3] staging: most: usb: constify usb_device_id

From: Christian Gromm
Date: Wed Aug 09 2017 - 05:43:41 EST


On Tue, 8 Aug 2017 22:53:13 +0530
Arvind Yadav <arvind.yadav.cs@xxxxxxxxx> wrote:

> 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@xxxxxxxxx>
Acked-by: Christian Gromm <christian.gromm@xxxxxxxxxxxxx>
> ---
> drivers/staging/most/hdm-usb/hdm_usb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/most/hdm-usb/hdm_usb.c
> b/drivers/staging/most/hdm-usb/hdm_usb.c index d0f68cb..a9c3785 100644
> --- a/drivers/staging/most/hdm-usb/hdm_usb.c
> +++ b/drivers/staging/most/hdm-usb/hdm_usb.c
> @@ -832,7 +832,7 @@ static const struct file_operations hdm_usb_fops
> = { /**
> * usb_device_id - ID table for HCD device probing
> */
> -static struct usb_device_id usbid[] = {
> +static const struct usb_device_id usbid[] = {
> { USB_DEVICE(USB_VENDOR_ID_SMSC, USB_DEV_ID_BRDG), },
> { USB_DEVICE(USB_VENDOR_ID_SMSC, USB_DEV_ID_OS81118), },
> { USB_DEVICE(USB_VENDOR_ID_SMSC, USB_DEV_ID_OS81119), },



--
thanks,
Chris


Christian Gromm
Principal Software Engineer

Microchip Technology Germany II GmbH & Co. KG
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