2017-08-08 16:49:54

by Arvind Yadav

[permalink] [raw]
Subject: [PATCH] isdn: hisax: hfc_usb: 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 <[email protected]>
---
drivers/isdn/hisax/hfc_usb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/isdn/hisax/hfc_usb.c b/drivers/isdn/hisax/hfc_usb.c
index ef47480..e821218 100644
--- a/drivers/isdn/hisax/hfc_usb.c
+++ b/drivers/isdn/hisax/hfc_usb.c
@@ -65,7 +65,7 @@ typedef struct {
} hfcsusb_vdata;

/* VID/PID device list */
-static struct usb_device_id hfcusb_idtab[] = {
+static const struct usb_device_id hfcusb_idtab[] = {
{
USB_DEVICE(0x0959, 0x2bd0),
.driver_info = (unsigned long) &((hfcsusb_vdata)
--
2.7.4


2017-08-08 16:49:58

by Arvind Yadav

[permalink] [raw]
Subject: [PATCH] isdn: hfcsusb: 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 <[email protected]>
---
drivers/isdn/hardware/mISDN/hfcsusb.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.h b/drivers/isdn/hardware/mISDN/hfcsusb.h
index 4157311..5f8f1d9 100644
--- a/drivers/isdn/hardware/mISDN/hfcsusb.h
+++ b/drivers/isdn/hardware/mISDN/hfcsusb.h
@@ -337,7 +337,7 @@ static const char *HFC_NT_LAYER1_STATES[HFC_MAX_NT_LAYER1_STATE + 1] = {
};

/* supported devices */
-static struct usb_device_id hfcsusb_idtab[] = {
+static const struct usb_device_id hfcsusb_idtab[] = {
{
USB_DEVICE(0x0959, 0x2bd0),
.driver_info = (unsigned long) &((struct hfcsusb_vdata)
--
2.7.4