drivers/net/wireless/ath/wil6210: Makefile, only -Werror when no -W* in EXTRA_CFLAGS

On Wednesday, February 27, 2013 04:56:57 PM Chen Gang wrote:
> 于 2013年02月27日 16:45, Vladimir Kondratiev 写道:
> > On Wednesday, February 27, 2013 02:55:06 PM Chen Gang wrote:
> >>
> >>   When make with EXTRA_CFLAGS=-W, it will report error.
> >>   so give a check in Makefile.
> >>
> >> Signed-off-by: Chen Gang <gang.chen@asianux.com>
> >> ---
> >>  drivers/net/wireless/ath/wil6210/Makefile |    4 +++-
> >>  1 files changed, 3 insertions(+), 1 deletions(-)
> >>
> >> diff --git a/drivers/net/wireless/ath/wil6210/Makefile b/drivers/net/wireless/ath/wil6210/Makefile
> >> index 9396dc9..d288eea 100644
> >> --- a/drivers/net/wireless/ath/wil6210/Makefile
> >> +++ b/drivers/net/wireless/ath/wil6210/Makefile
> >> @@ -9,5 +9,7 @@ wil6210-objs += wmi.o
> >>  wil6210-objs += interrupt.o
> >>  wil6210-objs += txrx.o
> >>  
> >> -subdir-ccflags-y += -Werror
> >> +ifeq (, $(findstring -W,$(EXTRA_CFLAGS)))
> >> +	subdir-ccflags-y += -Werror
> >> +endif
> >>  subdir-ccflags-y += -D__CHECK_ENDIAN__
> >>
> > Acked-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
> > 
> > Well, agree; -W triggers lots of warnings, I suspect all other places that use
> > -Werror should be problematic. Worth fixing all others? Quick look for v3.8 raises:
> > 
> 
>   thank you for your suggestion.
>   after this patch applied, I will do for others (let you as signed-of-by, too).

Perhaps, it would be good idea to fight the original problem.

I mean, fix warnings where possible. Example: there are lots of
"unused parameter" ones. Where it is false warning, add __maybe_unused
attribute. Like this:


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于 2013年02月27日 17:46, Vladimir Kondratiev 写道:
> Perhaps, it would be good idea to fight the original problem.
> 

  if my another 'beautify code' patches are applied into next-* tree.
    (that means most of members think it is a good idea).
    I will process the original problems (when processing, also cc to you).

  :-)

> I mean, fix warnings where possible. Example: there are lots of
> "unused parameter" ones. Where it is false warning, add __maybe_unused
> attribute. Like this:
> 
> diff --git a/include/linux/kernel.h b/include/linux/kernel.h
> index c566927..83e43b7 100644
> --- a/include/linux/kernel.h
> +++ b/include/linux/kernel.h
> @@ -163,8 +163,9 @@ extern int _cond_resched(void);
>  # define might_sleep() \
>         do { __might_sleep(__FILE__, __LINE__, 0); might_resched(); } while (0)
>  #else
> -  static inline void __might_sleep(const char *file, int line,
> -                                  int preempt_offset) { }
> +  static inline void __might_sleep(const char *file __maybe_unused,
> +                                  int line __maybe_unused,
> +                                  int preempt_offset __maybe_unused) { }
>  # define might_sleep() do { might_resched(); } while (0)
>  #endif
>  

  thank you for your demo, it is valuable to me.

  :-)