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drm: udl: constify usb_device_id
author
Arvind Yadav
<arvind.yadav.cs@gmail.com>
Sat, 12 Aug 2017 08:35:19 +0000
(14:05 +0530)
committer
Daniel Vetter
<daniel.vetter@ffwll.ch>
Fri, 18 Aug 2017 07:10:46 +0000
(09:10 +0200)
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: Daniel Vetter <daniel.vetter@ffwll.ch>
Link:
https://patchwork.freedesktop.org/patch/msgid/22fa8ca67a6d4a59997f463bf241ed56596fbcfa.1502526524.git.arvind.yadav.cs@gmail.com
drivers/gpu/drm/udl/udl_drv.c
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diff --git
a/drivers/gpu/drm/udl/udl_drv.c
b/drivers/gpu/drm/udl/udl_drv.c
index
bfacb29
..
31421b6
100644
(file)
--- a/
drivers/gpu/drm/udl/udl_drv.c
+++ b/
drivers/gpu/drm/udl/udl_drv.c
@@
-111,7
+111,7
@@
static void udl_usb_disconnect(struct usb_interface *interface)
* which is compatible with all known USB 2.0 era graphics chips and firmware,
* but allows DisplayLink to increment those for any future incompatible chips
*/
-static struct usb_device_id id_table[] = {
+static
const
struct usb_device_id id_table[] = {
{.idVendor = 0x17e9, .bInterfaceClass = 0xff,
.bInterfaceSubClass = 0x00,
.bInterfaceProtocol = 0x00,