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author | Németh Márton <nm127@freemail.hu> | 2010-01-10 14:33:33 (GMT) |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-02 22:54:15 (GMT) |
commit | 1bd4f29d0af5b4b1c022d8fded14665dd5932905 (patch) | |
tree | e296143b340d13de7b76ad01a4b6b782bb8cc8b2 | |
parent | 94089d56e456d2814c379538919180957a254e4a (diff) | |
download | linux-1bd4f29d0af5b4b1c022d8fded14665dd5932905.tar.xz |
USB skeleton: make USB device id constant
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: Németh Márton <nm127@freemail.hu>
Cc: Julia Lawall <julia@diku.dk>
Cc: cocci@diku.dk
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r-- | drivers/usb/usb-skeleton.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c index b1e579c..6152278 100644 --- a/drivers/usb/usb-skeleton.c +++ b/drivers/usb/usb-skeleton.c @@ -28,7 +28,7 @@ #define USB_SKEL_PRODUCT_ID 0xfff0 /* table of devices that work with this driver */ -static struct usb_device_id skel_table[] = { +static const struct usb_device_id skel_table[] = { { USB_DEVICE(USB_SKEL_VENDOR_ID, USB_SKEL_PRODUCT_ID) }, { } /* Terminating entry */ }; |