From: Dan Carpenter <dan.carpenter@oracle.com>
To: Joe Perches <joe@perches.com>
Cc: Filip Kolev <fil.kolev@gmail.com>,
devel@driverdev.osuosl.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org,
Sakari Ailus <sakari.ailus@linux.intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-media@vger.kernel.org
Subject: Re: [PATCH] media: atomisp: ov2722: replace hardcoded function name
Date: Thu, 7 Jan 2021 13:53:10 +0300 [thread overview]
Message-ID: <20210107105310.GB5083@kadam> (raw)
In-Reply-To: <c5781c80a582cc68e1ae1bdc106c50cb263f81bf.camel@perches.com>
On Wed, Jan 06, 2021 at 01:17:47PM -0800, Joe Perches wrote:
> On Wed, 2021-01-06 at 22:36 +0300, Dan Carpenter wrote:
> > On Wed, Jan 06, 2021 at 10:25:26AM -0800, Joe Perches wrote:
> > > On Wed, 2021-01-06 at 18:52 +0100, Greg Kroah-Hartman wrote:
> > > > On Wed, Jan 06, 2021 at 07:43:42PM +0200, Filip Kolev wrote:
> > > > > On 06-Jan-21 09:51, Greg Kroah-Hartman wrote:
> > > > > > On Tue, Jan 05, 2021 at 10:29:18PM +0200, Filip Kolev wrote:
> > > > > > > There is a debug message using hardcoded function name instead of the
> > > > > > > __func__ macro. Replace it.
> > > > > > >
> > > > > > > Report from checkpatch.pl on the file:
> > > > > > >
> > > > > > > WARNING: Prefer using '"%s...", __func__' to using 'ov2722_remove', this function's name, in a string
> > > > > > > + dev_dbg(&client->dev, "ov2722_remove...\n");
> []
> > > There are quite a lot of these relatively useless function tracing like
> > > uses in the kernel:
> > >
> > > $ git grep -P '"%s[\.\!]*\\n"\s*,\s*__func__\s*\)' | wc -l
> > > 1065
> >
> > These are printing other stuff besides just the function name.
>
> No, these are printing _only_ the function name.
>
Oh... Duh... I was looking at the complete wrong output. My bad.
Yeah. I like this warning.
regards,
dan carpenter
next prev parent reply other threads:[~2021-01-07 10:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-05 20:29 [PATCH] media: atomisp: ov2722: replace hardcoded function name Filip Kolev
2021-01-06 7:51 ` Greg Kroah-Hartman
2021-01-06 17:43 ` Filip Kolev
2021-01-06 17:52 ` Greg Kroah-Hartman
2021-01-06 18:25 ` Joe Perches
2021-01-06 19:36 ` Dan Carpenter
2021-01-06 21:17 ` Joe Perches
2021-01-07 10:53 ` Dan Carpenter [this message]
2021-01-08 18:32 ` [PATCH] checkpatch: Prefer ftrace over function entry/exit printks Joe Perches
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