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SubjectRe: [PATCH v5 1/6] asm-generic/bug.h: declare struct pt_regs; before function prototype
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On 08/06/17 15:07, Steven Rostedt wrote:
> On Thu, 25 May 2017 13:03:11 +0100
> Ian Abbott <abbotti@mev.co.uk> wrote:
>
>> The declaration of `__warn()` has `struct pt_regs *regs` as one of its
>> parameters. This can result in compiler warnings if `struct regs` is
>> not already declared. Add an empty declaration of `struct pt_regs` to
>> avoid the warnings.
>>
>
> Not sure if this has been pulled already or not, but I have a small nit.

It's already in linux-next master.

>
>> Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
>> Cc: Arnd Bergmann <arnd@arndb.de>
>> Acked-by: Arnd Bergmann <arnd@arndb.de>
>> Acked-by: Michal Nazarewicz <mina86@mina86.com>
>> ---
>> v3: Actually, there was no v1 or v2. I called this v3 to match the
>> series.
>> v4: Corrected 'Acked-by:' line in patch description.
>> v5: Added Acked-by for Michal Nazarewicz.
>> ---
>> include/asm-generic/bug.h | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
>> index d6f4aed479a1..87191357d303 100644
>> --- a/include/asm-generic/bug.h
>> +++ b/include/asm-generic/bug.h
>> @@ -97,6 +97,7 @@ extern void warn_slowpath_null(const char *file, const int line);
>>
>> /* used internally by panic.c */
>> struct warn_args;
>> +struct pt_regs;
>
> Probably be better to move pt_regs above the comment. For one, it is
> used before warn_args in the function below. Two, it's not defined
> internally by panic.c like warn_args is.

Alternatively, the comment could be placed on the same line as `struct
warn_args;`. I don't think it's a big enough of a deal to patch it for
the sake of it, tbh.

>
> -- Steve
>
>
>>
>> void __warn(const char *file, int line, void *caller, unsigned taint,
>> struct pt_regs *regs, struct warn_args *args);
>


--
-=( Ian Abbott @ MEV Ltd. E-mail: <abbotti@mev.co.uk> )=-
-=( Web: http://www.mev.co.uk/ )=-

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