Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1710207

[PATCH] drm: udl: constify usb_device_id

Show all headers | View raw

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>
---
 drivers/gpu/drm/udl/udl_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index cd8b017..2877afc 100644
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -118,7 +118,7 @@ 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,
-- 
2.7.4

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

[PATCH] drm: udl: constify usb_device_id Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-08-12 10:40 +0200
  [PATCH] watchdog: pcwd_usb: constify usb_device_id Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-08-12 10:50 +0200
    Re: [PATCH] watchdog: pcwd_usb: constify usb_device_id Guenter Roeck <linux@roeck-us.net> - 2017-08-14 16:50 +0200
  Re: [PATCH] drm: udl: constify usb_device_id Daniel Vetter <daniel@ffwll.ch> - 2017-08-14 16:20 +0200

csiph-web