On Wed, 22 Nov 2017, Joe Perches wrote:

> On Fri, 2017-11-17 at 15:19 +0100, Greg Kroah-Hartman wrote:
> > There is no need to #define the license of the driver, just put it in
> > the MODULE_LICENSE() line directly as a text string.
> >
> > This allows tools that check that the module license matches the source
> > code license to work properly, as there is no need to unwind the
> > unneeded dereference.
> []
> > diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
> []
> > @@ -76,7 +76,6 @@
> >
> >  #define MOD_AUTHOR                 "Option Wireless"
> >  #define MOD_DESCRIPTION                    "USB High Speed Option driver"
> > -#define MOD_LICENSE                        "GPL"
> >
> >  #define HSO_MAX_NET_DEVICES                10
> >  #define HSO__MAX_MTU                       2048
> > @@ -3288,7 +3287,7 @@ module_exit(hso_exit);
> >
> >  MODULE_AUTHOR(MOD_AUTHOR);
> >  MODULE_DESCRIPTION(MOD_DESCRIPTION);
> > -MODULE_LICENSE(MOD_LICENSE);
> > +MODULE_LICENSE("GPL");
>
> Probably all of these MODULE_<FOO>(MOD_<BAR>) uses could be
> simplified as well.
>
> Perhaps there's utility in a (cocci?) script that looks for
> used-once
> macro #defines in various types of macros.

What about module_version, eg:

diff -u -p a/drivers/ata/pata_pdc202xx_old.c
b/drivers/ata/pata_pdc202xx_old.c
--- a/drivers/ata/pata_pdc202xx_old.c
+++ b/drivers/ata/pata_pdc202xx_old.c
@@ -21,7 +21,6 @@
 #include <linux/libata.h>

 #define DRV_NAME "pata_pdc202xx_old"
-#define DRV_VERSION "0.4.3"

 static int pdc2026x_cable_detect(struct ata_port *ap)
 {
@@ -389,4 +388,4 @@ MODULE_AUTHOR("Alan Cox");
 MODULE_DESCRIPTION("low-level driver for Promise 2024x and 20262-20267");
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, pdc202xx);
-MODULE_VERSION(DRV_VERSION);
+MODULE_VERSION("0.4.3");

julia

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