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watchdog: pcwd_usb: constify usb_device_id

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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>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Arvind Yadav 2017-08-12 14:09:45 +05:30 committed by Wim Van Sebroeck
parent f3a7f6f67f
commit cc53e1c2bb
1 changed files with 1 additions and 1 deletions
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2
drivers/watchdog/pcwd_usb.c
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@ -74,7 +74,7 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
#define USB_PCWD_PRODUCT_ID 0x1140 #define USB_PCWD_PRODUCT_ID 0x1140
/* table of devices that work with this driver */ /* table of devices that work with this driver */
static struct usb_device_id usb_pcwd_table[] = { static const struct usb_device_id usb_pcwd_table[] = {
{ USB_DEVICE(USB_PCWD_VENDOR_ID, USB_PCWD_PRODUCT_ID) }, { USB_DEVICE(USB_PCWD_VENDOR_ID, USB_PCWD_PRODUCT_ID) },
{ } /* Terminating entry */ { } /* Terminating entry */
}; };