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SubjectRe: [PATCH 1/2] Input: serio_raw - cosmetic fixes
On Tue, Jan 10, 2012 at 04:24:37PM +0800, Che-liang Chiou wrote:
> On Mon, Jan 9, 2012 at 4:24 PM, Dmitry Torokhov
> <dmitry.torokhov@gmail.com> wrote:
> > Hi Che-Liang,
> >
> > On Fri, Jan 06, 2012 at 07:03:14PM +0800, Che-Liang Chiou wrote:
> >> Signed-off-by: Che-Liang Chiou <clchiou@chromium.org>
> >> ---
> >>  drivers/input/serio/serio_raw.c |    4 +---
> >>  1 files changed, 1 insertions(+), 3 deletions(-)
> >>
> >> diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c
> >> index 4d4cd14..a935c38 100644
> >> --- a/drivers/input/serio/serio_raw.c
> >> +++ b/drivers/input/serio/serio_raw.c
> >> @@ -220,7 +220,7 @@ static ssize_t serio_raw_write(struct file *file, const char __user *buffer,
> >>                       goto out;
> >>               }
> >>               written++;
> >> -     };
> >> +     }
> >>
> >
> > I applied this chunk, thanks.
> >
> >>  out:
> >>       mutex_unlock(&serio_raw_mutex);
> >> @@ -231,11 +231,9 @@ static unsigned int serio_raw_poll(struct file *file, poll_table *wait)
> >>  {
> >>       struct serio_raw_client *client = file->private_data;
> >>       struct serio_raw *serio_raw = client->serio_raw;
> >> -     unsigned int mask;
> >>
> >>       poll_wait(file, &serio_raw->wait, wait);
> >>
> >> -     mask = serio_raw->dead ? POLLHUP | POLLERR : POLLOUT | POLLWRNORM;
> >>       if (serio_raw->head != serio_raw->tail)
> >>               return POLLIN | POLLRDNORM;
> >>
> >
> > This however is not quite correct. I will be applying the patch below
> > instead.
>
> Yeah I was wondering maybe you are going to make use of mask
> somewhere. But still the patch below is quite strange. To my
> understanding the mask is still not used; It is a local variable that
> not does not make any side effect. Do you intend to use that mask on
> any global state or return value?

Right, Milton Miller noticed the same. We should be returning mask,
not 0. I'll fix that up.

Thanks.

--
Dmitry
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