Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Message-Id: <1549862567.1175306.1655243744.11AFF30D@webmail.messagingengine.com>
From:   Andrew Jeffery <andrew@aj.id.au>
To:     Vijay Khemka <vijaykhemka@fb.com>,
        "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
Cc:     Arnd Bergmann <arnd@arndb.de>, Joel Stanley <joel@jms.id.au>,
        linux-arm-kernel@lists.infradead.org,
        linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org,
        "openbmc @ lists . ozlabs . org" <openbmc@lists.ozlabs.org>
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain; charset="utf-8"
Date:   Mon, 11 Feb 2019 15:52:47 +1030
In-Reply-To: <13C13AE8-63A4-4002-9E0D-70276C529448@fb.com>
Subject: Re: [PATCH] misc: aspeed-lpc-ctrl: Correct return values
References: <20190123230634.1815021-1-vijaykhemka@fb.com>
 <20190124081544.GA1649@kroah.com>
 <13C13AE8-63A4-4002-9E0D-70276C529448@fb.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Fri, 25 Jan 2019, at 05:59, Vijay Khemka wrote:
>=20
>=20
> =EF=BB=BFOn 1/24/19, 12:16 AM, "Greg Kroah-Hartman" <gregkh@linuxfoundati=
on.org> wrote:
>=20
>     On Wed, Jan 23, 2019 at 03:06:34PM -0800, Vijay Khemka wrote:
>     > Corrected some of return values with appropriate meanings.
>     >=20
>     > Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
>     > ---
>     >  drivers/misc/aspeed-lpc-ctrl.c | 15 +++++++--------
>     >  1 file changed, 7 insertions(+), 8 deletions(-)
>     >=20
>     > diff --git a/drivers/misc/aspeed-lpc-ctrl.c b/drivers/misc/aspeed-
> lpc-ctrl.c
>     > index 332210e06e98..97ae341109d5 100644
>     > --- a/drivers/misc/aspeed-lpc-ctrl.c
>     > +++ b/drivers/misc/aspeed-lpc-ctrl.c
>     > @@ -68,7 +68,6 @@ static long aspeed_lpc_ctrl_ioctl(struct file=20
> *file, unsigned int cmd,
>     >  		unsigned long param)
>     >  {
>     >  	struct aspeed_lpc_ctrl *lpc_ctrl =3D file_aspeed_lpc_ctrl(file);
>     > -	struct device *dev =3D file->private_data;
>     >  	void __user *p =3D (void __user *)param;
>     >  	struct aspeed_lpc_ctrl_mapping map;
>     >  	u32 addr;
>     > @@ -93,8 +92,8 @@ static long aspeed_lpc_ctrl_ioctl(struct file=20
> *file, unsigned int cmd,
>     >=20=20
>     >  		/* If memory-region is not described in device tree */
>     >  		if (!lpc_ctrl->mem_size) {
>     > -			dev_err(dev, "Didn't find reserved memory\n");
>     > -			return -EINVAL;
>     > +			pr_err("aspeed_lpc_ctrl: ioctl: Didn't find reserved memory\n");
>=20=20=20=20=20
>     Why did you change from dev_err() to pr_err()?  You just lost a lot of
>     information that the user previously was getting from dev_err() :(
>=20
> I did this as per review comment from Andrew Jeffery, as we don't want=20
> to put this error for driver. It has to be handled by userspace. But I=20
> am still reporting some error here.

Sorry? What I was trying to suggest was removing the logging altogether and
just returning the error code. Not simply changing how the logging is done.

Andrew