linux-kernel - Re: [V4] staging : rtl8188eu : remove void function return

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Date:   Sun, 07 May 2017 23:27:44 -0700
From:   Joe Perches <joe@...ches.com>
To:     Greg KH <gregkh@...uxfoundation.org>,
        Surender Polsani <surenderpolsani@...il.com>
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Dan Carpenter <error27@...il.com>
Subject: Re: [V4] staging : rtl8188eu : remove void function return

On Mon, 2017-05-08 at 07:59 +0200, Greg KH wrote:
> On Mon, May 08, 2017 at 11:22:35AM +0530, Surender Polsani wrote:
> > kernel coding style doesn't allow the return statement
> > in void function.
> > 
> > Signed-off-by: Surender Polsani <surenderpolsani@...il.com>
> > ---
> > Changes for v2:
> > corrected subject line as suggested
> > Changes for v3:
> > modified from line as suggested by Greg KH
> > placed a semicolon in label for fixing build error
> > Changes for v4:
> > changes made as suggested by Dan Carpenter

No, Dan correctly suggested that the goto
and the label be removed, not what has been
done in this patch.

> > diff --git a/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c b/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
[]
> > @@ -146,7 +146,6 @@ void rtw_hal_dm_watchdog(struct adapter *Adapter)
> >  
> >  	if (!hw_init_completed)
> >  		goto skip_dm;
> > -
> 
> Why did you remove this line?

I presume because of carelessness.

> >  	/* ODM */
> >  	pmlmepriv = &Adapter->mlmepriv;
> >  
> > @@ -165,7 +164,7 @@ void rtw_hal_dm_watchdog(struct adapter *Adapter)
> >  skip_dm:
> >  	/*  Check GPIO to determine current RF on/off and Pbc status. */
> >  	/*  Check Hardware Radio ON/OFF or not */
> > -	return;
> > +	;
> 
> Why is the ';' still here?

A label immediately before a function termination
requires a statement after the label and before the
last closing brace.