Re: [PATCH] usb: add missing MODULE_DESCRIPTION() macros

From: Alan Stern
Date: Wed Jun 12 2024 - 14:16:27 EST


On Tue, Jun 11, 2024 at 07:37:20PM -0700, Jeff Johnson wrote:
> With ARCH=x86, make allmodconfig && make W=1 C=1 reports:
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/core/usbcore.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/mon/usbmon.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/class/usbtmc.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/storage/uas.o
> WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/chipidea/ci_hdrc_msm.o
>
> Add the missing invocations of the MODULE_DESCRIPTION() macro.
>
> Signed-off-by: Jeff Johnson <quic_jjohnson@xxxxxxxxxxx>
> ---
> This is the remaining one-off fixes in usb.
>
> Corrections to these descriptions are welcomed. I'm not an expert in
> this code so in most cases I've taken these descriptions directly from
> code comments, Kconfig descriptions, or git logs. History has shown
> that in some cases these are originally wrong due to cut-n-paste
> errors, and in other cases the drivers have evolved such that the
> original information is no longer accurate.
>
> Let me know if any of these changes need to be segregated into
> separate patches to go through different maintainer trees.

> diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
> index a0c432b14b20..65f9940bc7e8 100644
> --- a/drivers/usb/core/usb.c
> +++ b/drivers/usb/core/usb.c
> @@ -1150,4 +1150,5 @@ static void __exit usb_exit(void)
>
> subsys_initcall(usb_init);
> module_exit(usb_exit);
> +MODULE_DESCRIPTION("USB support library");
> MODULE_LICENSE("GPL");

I would change this to "USB core host-side support", or something more
along those lines. It's not just a library because it does include
several drivers (such as the USB hub driver). And it's host-side rather
than device-side -- that's a separate module.

Alan Stern