From: Márton Németh <[email protected]>

The id_table field of the struct usb_device_id is constant in <linux/usb.h>
so it is worth to make the initialization data also constant.

The semantic match that finds this kind of pattern is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r@
disable decl_init,const_decl_init;
identifier I1, I2, x;
@@
        struct I1 {
          ...
          const struct I2 *x;
          ...
        };
@s@
identifier r.I1, y;
identifier r.x, E;
@@
        struct I1 y = {
          .x = E,
        };
@c@
identifier r.I2;
identifier s.E;
@@
        const struct I2 E[] = ... ;
@depends on !c@
identifier r.I2;
identifier s.E;
@@
+       const
        struct I2 E[] = ...;
// </smpl>

Signed-off-by: Márton Németh <[email protected]>
Cc: Julia Lawall <[email protected]>
Cc: [email protected]
---
diff -u -p a/drivers/uwb/hwa-rc.c b/drivers/uwb/hwa-rc.c
--- a/drivers/uwb/hwa-rc.c 2009-12-03 04:51:21.000000000 +0100
+++ b/drivers/uwb/hwa-rc.c 2010-01-08 11:17:49.000000000 +0100
@@ -891,7 +891,7 @@ static int hwarc_post_reset(struct usb_i
 }

 /** USB device ID's that we handle */
-static struct usb_device_id hwarc_id_table[] = {
+static const struct usb_device_id hwarc_id_table[] = {
        /* D-Link DUB-1210 */
        { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3d02, 0xe0, 0x01, 0x02),
          .driver_info = WUSB_QUIRK_WHCI_CMD_EVT },
diff -u -p a/drivers/uwb/i1480/dfu/usb.c b/drivers/uwb/i1480/dfu/usb.c
--- a/drivers/uwb/i1480/dfu/usb.c 2010-01-07 19:08:47.000000000 +0100
+++ b/drivers/uwb/i1480/dfu/usb.c 2010-01-08 11:18:26.000000000 +0100
@@ -430,7 +430,7 @@ error:


 /** USB device ID's that we handle */
-static struct usb_device_id i1480_usb_id_table[] = {
+static const struct usb_device_id i1480_usb_id_table[] = {
        i1480_USB_DEV(0x8086, 0xdf3b),
        i1480_USB_DEV(0x15a9, 0x0005),
        i1480_USB_DEV(0x07d1, 0x3802),
_______________________________________________
Cocci mailing list
[email protected]
http://lists.diku.dk/mailman/listinfo/cocci
(Web access from inside DIKUs LAN only)

Reply via email to