linux-kernel - Re: linux-next: rr tree build warnings

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Date:	Mon, 9 Nov 2009 18:40:46 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: rr tree build warnings

Hi Rusty,

On Mon, 9 Nov 2009 18:31:04 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Today's linux-next build (x86_64 allmodconfig) produced these warnings:
> 
> drivers/usb/storage/libusual.c:239: warning: passing argument 1 of '__check_old_set_param' from incompatible pointer type
> include/linux/moduleparam.h:165: note: expected 'int (*)(const char *, struct kernel_param *)' but argument is of type 'int (*)(const char *, const struct kernel_param *)'
> drivers/usb/storage/libusual.c:239: warning: passing argument 1 of '__check_old_set_param' from incompatible pointer type
> include/linux/moduleparam.h:165: note: expected 'int (*)(const char *, struct kernel_param *)' but argument is of type 'int (*)(const char *, const struct kernel_param *)'
> drivers/usb/storage/libusual.c:239: warning: passing argument 1 of '__check_old_set_param' from incompatible pointer type
> include/linux/moduleparam.h:165: note: expected 'int (*)(const char *, struct kernel_param *)' but argument is of type 'int (*)(const char *, const struct kernel_param *)'
> drivers/usb/storage/libusual.c:239: warning: passing argument 1 of '__check_old_set_param' from incompatible pointer type
> include/linux/moduleparam.h:165: note: expected 'int (*)(const char *, struct kernel_param *)' but argument is of type 'int (*)(const char *, const struct kernel_param *)'
> 
> Introduced by commit 9f94999724555729819ea0143eab1d0529c029d1
> ("param:param_ops").

I am also getting some section mismatch warnings like this:

WARNING: drivers/mtd/ubi/ubi.o(.data+0x1c0): Section mismatch in reference from the variable __ops_mtd to the function .init.text:ubi_mtd_param_parse()
The variable __ops_mtd references
the function __init ubi_mtd_param_parse()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console, 

Which are probably also related to the above change.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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