[alsa-devel] 答复: 答复: [PATCH 1/1] sound: Fix compile error of seq_device.c

[Takashi Iwai]

On Tue, 21 Jun 2016 11:35:39 +0200,
高峰 wrote:
> 
> I have sent the new commit with the compile errors.
> Is it ok now?
> 
> BTW, I think the compile error is caused by that "subsys_initcall" statement losts the semicolon. 

Does this happen with the latest upstream kernel code at all...?


Takashi

> 
> -----邮件原件-----
> 发件人: Takashi Iwai [mailto:tiwai at suse.de] 
> 发送时间: 2016年6月21日 17:20
> 收件人: 高峰 <fgao at ikuai8.com>
> 抄送: alsa-devel at alsa-project.org; perex at perex.cz; linux-kernel at vger.kernel.org; gfree.wind at gmail.com
> 主题: Re: 答复: [PATCH 1/1] sound: Fix compile error of seq_device.c
> 
> On Tue, 21 Jun 2016 10:48:30 +0200,
> 高峰 wrote:
> > 
> > The lastest CentOS7 platform, and the gcc version is gcc version 4.8.5
> > 20150623 (Red Hat 4.8.5-4) (GCC).
> > It could pass compilation after append the lost semicolon. 
> > 
> > from sound/core/seq/seq_device.c:39:
> > include/linux/init.h:216:2: error: expected ‘,’ or ‘;’ before ‘static’
> >   static exitcall_t __exitcall_##fn __exit_call = fn
> >   ^
> > include/linux/init.h:279:24: note: in expansion of macro ‘__exitcall’
> >  #define module_exit(x) __exitcall(x);
> >                         ^
> > sound/core/seq/seq_device.c:315:1: note: in expansion of macro 
> > ‘module_exit’
> >  module_exit(alsa_seq_device_exit)
> >  ^
> > make[3]: *** [sound/core/seq/seq_device.o] Error 1
> > make[2]: *** [sound/core/seq] Error 2
> > make[1]: *** [sound/core] Error 2
> > make: *** [sound] Error 2
> 
> It's a RH specific issue.  The upstream code has a different definition of module_init(), thus no such an error would occur.
> 
> Note that I'm fine to apply the patch, it's a trivial change.
> But you need to give the clear reason why to apply it.  In this case, it's no fault of the upstream code.  But if it would make someone's life a bit easier, it's OK to apply such a change.
> 
> That being said, please resubmit the patch with a more explanation.
> 
> 
> thanks,
> 
> Takashi
> 
> > 
> > -----邮件原件-----
> > 发件人: Takashi Iwai [mailto:tiwai at suse.de]
> > 发送时间: 2016年6月21日 16:45
> > 收件人: fgao at ikuai8.com
> > 抄送: alsa-devel at alsa-project.org; perex at perex.cz; linux-kernel at vger.kernel.
> > org; gfree.wind at gmail.com
> > 主题: Re: [PATCH 1/1] sound: Fix compile error of seq_device.c
> > 
> > On Tue, 21 Jun 2016 10:34:25 +0200,
> > <fgao at ikuai8.com> wrote:
> > > 
> > > From: Gao Feng <fgao at ikuai8.com>
> > > 
> > > Signed-off-by: Gao Feng <fgao at ikuai8.com>
> > 
> > What compile error did you get?
> > 
> > 
> > Takashi
> > 
> > > ---
> > >  sound/core/seq/seq_device.c | 4 ++--
> > >  1 file changed, 2 insertions(+), 2 deletions(-)
> > > 
> > > diff --git a/sound/core/seq/seq_device.c 
> > > b/sound/core/seq/seq_device.c index c4acf17..4e859e4 100644
> > > --- a/sound/core/seq/seq_device.c
> > > +++ b/sound/core/seq/seq_device.c
> > > @@ -311,5 +311,5 @@ static void __exit alsa_seq_device_exit(void)
> > >  	bus_unregister(&snd_seq_bus_type);
> > >  }
> > >  
> > > -subsys_initcall(alsa_seq_device_init)
> > > -module_exit(alsa_seq_device_exit)
> > > +subsys_initcall(alsa_seq_device_init);
> > > +module_exit(alsa_seq_device_exit);
> > > --
> > > 1.9.1
> > > 
> > > 
> > > 
> > > 
> > > 
> > 
> > 
> > 
> 
> 
>