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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>,
	linux-aspeed@lists.ozlabs.org,
	"openbmc @ lists . ozlabs . org" <openbmc@lists.ozlabs.org>,
	linux-kernel@vger.kernel.org, Joel Stanley <joel@jms.id.au>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] misc: aspeed-lpc-ctrl: Correct return values
Date: Mon, 11 Feb 2019 15:52:47 +1030
Message-ID: <1549862567.1175306.1655243744.11AFF30D@webmail.messagingengine.com> (raw)
In-Reply-To: <13C13AE8-63A4-4002-9E0D-70276C529448@fb.com>

On Fri, 25 Jan 2019, at 05:59, Vijay Khemka wrote:
> 
> 
> On 1/24/19, 12:16 AM, "Greg Kroah-Hartman" <gregkh@linuxfoundation.org> wrote:
> 
>     On Wed, Jan 23, 2019 at 03:06:34PM -0800, Vijay Khemka wrote:
>     > Corrected some of return values with appropriate meanings.
>     > 
>     > Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
>     > ---
>     >  drivers/misc/aspeed-lpc-ctrl.c | 15 +++++++--------
>     >  1 file changed, 7 insertions(+), 8 deletions(-)
>     > 
>     > 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 
> *file, unsigned int cmd,
>     >  		unsigned long param)
>     >  {
>     >  	struct aspeed_lpc_ctrl *lpc_ctrl = file_aspeed_lpc_ctrl(file);
>     > -	struct device *dev = file->private_data;
>     >  	void __user *p = (void __user *)param;
>     >  	struct aspeed_lpc_ctrl_mapping map;
>     >  	u32 addr;
>     > @@ -93,8 +92,8 @@ static long aspeed_lpc_ctrl_ioctl(struct file 
> *file, unsigned int cmd,
>     >  
>     >  		/* 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");
>     
>     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() :(
> 
> I did this as per review comment from Andrew Jeffery, as we don't want 
> to put this error for driver. It has to be handled by userspace. But I 
> 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

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  reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-23 23:06 Vijay Khemka
2019-01-24  8:15 ` Greg Kroah-Hartman
2019-01-24 19:29   ` Vijay Khemka
2019-02-11  5:22     ` Andrew Jeffery [this message]
2019-02-11 20:13       ` Vijay Khemka
2019-05-01 22:38 Vijay Khemka
2019-05-02  6:40 ` Greg Kroah-Hartman
2019-05-02  6:49   ` Andrew Jeffery
2019-05-03 17:55     ` Vijay Khemka

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