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authorNémeth Márton <nm127@freemail.hu>2010-01-10 15:33:45 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2010-03-02 14:54:15 -0800
commit6ef4852b1326301f6e9657e99b2c3221be1a3a44 (patch)
tree40dd9a837e70edc21faa3fcaea3555ae9536ce24 /drivers/usb/class/usbtmc.c
parent1bd4f29d0af5b4b1c022d8fded14665dd5932905 (diff)
USB class: 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>
Diffstat (limited to 'drivers/usb/class/usbtmc.c')
-rw-r--r--drivers/usb/class/usbtmc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 7c5f4e32c920..8588c0937a89 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -48,7 +48,7 @@
*/
#define USBTMC_MAX_READS_TO_CLEAR_BULK_IN 100
-static struct usb_device_id usbtmc_devices[] = {
+static const struct usb_device_id usbtmc_devices[] = {
{ USB_INTERFACE_INFO(USB_CLASS_APP_SPEC, 3, 0), },
{ USB_INTERFACE_INFO(USB_CLASS_APP_SPEC, 3, 1), },
{ 0, } /* terminating entry */