From: Kaaira Gupta <kgupta@es.iitr.ac.in>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Kaaira Gupta <kgupta@es.iitr.ac.in>,
Ian Abbott <abbotti@mev.co.uk>,
H Hartley Sweeten <hsweeten@visionengravers.com>,
outreachy-kernel@googlegroups.com
Subject: Re: [PATCH 4/5] staging: comedi: add braces to prevent precedence
Date: Thu, 12 Mar 2020 20:23:16 +0530 [thread overview]
Message-ID: <20200312145316.GB30896@kaaira-HP-Pavilion-Notebook> (raw)
In-Reply-To: <20200312081824.GE11746@kroah.com>
On Thu, Mar 12, 2020 at 09:18:24AM +0100, Greg Kroah-Hartman wrote:
> On Thu, Mar 12, 2020 at 12:13:26AM +0530, Kaaira Gupta wrote:
> > Add braces around 'a' in comedi/drivers/das1800.c to prevent precedence
> > isuues.
> >
> > Signed-off-by: Kaaira Gupta <kgupta@es.iitr.ac.in>
> > ---
> > drivers/staging/comedi/drivers/das1800.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c
> > index f16aa7e9f4f3..be4b33c8e93d 100644
> > --- a/drivers/staging/comedi/drivers/das1800.c
> > +++ b/drivers/staging/comedi/drivers/das1800.c
> > @@ -91,7 +91,7 @@
> > #define DAS1800_SELECT 0x2
> > #define ADC 0x0
> > #define QRAM 0x1
> > -#define DAC(a) (0x2 + a)
> > +#define DAC(a) (0x2 + (a))
>
> There are no precedence issues with the use of this macro.
>
> But, to be "safe" it is fine to do, just use a better reason in the
> changelog comments please.
Yes, sure.
>
> thanks,
>
> greg k-h
next prev parent reply other threads:[~2020-03-12 14:53 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-11 18:43 [PATCH 0/5] patchset for clean-ups in comedi Kaaira Gupta
2020-03-11 18:43 ` [PATCH 1/5] staging: comedi: ni_mio_common.c: reformat code Kaaira Gupta
2020-03-11 23:20 ` [Outreachy kernel] " Stefano Brivio
2020-03-12 8:16 ` Greg Kroah-Hartman
2020-03-12 14:56 ` Kaaira Gupta
2020-03-12 15:25 ` Greg Kroah-Hartman
2020-03-11 18:43 ` [PATCH 2/5] staging: comedi: check condition in one statement Kaaira Gupta
2020-03-11 23:17 ` [Outreachy kernel] " Stefano Brivio
2020-03-12 8:17 ` Greg Kroah-Hartman
2020-03-12 14:54 ` Kaaira Gupta
2020-03-11 18:43 ` [PATCH 3/5] staging: comedi: drivers: add line after struct Kaaira Gupta
2020-03-12 8:18 ` Greg Kroah-Hartman
2020-03-12 14:53 ` Kaaira Gupta
2020-03-11 18:43 ` [PATCH 4/5] staging: comedi: add braces to prevent precedence Kaaira Gupta
2020-03-12 8:18 ` Greg Kroah-Hartman
2020-03-12 14:53 ` Kaaira Gupta [this message]
2020-03-11 18:43 ` [PATCH 5/5] staging: comedi: drivers: use unsigned int Kaaira Gupta
2020-03-11 20:51 ` [Outreachy kernel] " Julia Lawall
2020-03-11 22:11 ` Kaaira Gupta
2020-03-15 20:23 ` Stefano Brivio
2020-03-12 8:17 ` Greg Kroah-Hartman
2020-03-12 14:52 ` Kaaira Gupta
2020-03-12 15:21 ` Greg Kroah-Hartman
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