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Date: Sun, 29 May 2022 10:08:21 -0400
From: Joe Talbott <joetalbott@...il.com>
To: Jonathan Cameron <jic23@...nel.org>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] iio: Prefer octal over symbolic permissions.
On Sat, May 28, 2022 at 1:25 PM Jonathan Cameron <jic23@...nel.org> wrote:
>
> On Fri, 27 May 2022 14:56:52 -0400
> Joe Simmons-Talbott <joetalbott@...il.com> wrote:
>
> > As reported by checkpatch.pl use ocatl permissions rather than symbolic
> > permissions.
> >
> > Signed-off-by: Joe Simmons-Talbott <joetalbott@...il.com>
>
> Hi Joe,
>
> Why the resend? Given change of description, I'm guessing this is v2
> because of feedback on a similar patch elsewhere. If so, please
> put the version number in the patch log and provide a changelog
> below the ---
I sent the patch again because I neglected to include linux-kernel and
you in the
original patch's recipients. I wasn't sure if I should include the v2
but will in the future.
Should I use v3 for my updated patch?
Thanks,
Joe
>
>
> Hmm. I guess I don't really mind cleaning this up though it is
> some churn in core code which is usually something we try to avoid
> for fairly trivial style reasons.
>
> One request inline (though I suspect it applies in several places,
> I just haven't checked ;)
>
> Thanks,
>
> Jonathan
>
> > ---
> > drivers/iio/industrialio-buffer.c | 12 ++++++------
> > drivers/iio/industrialio-core.c | 10 +++++-----
> > drivers/iio/industrialio-trigger.c | 4 ++--
> > 3 files changed, 13 insertions(+), 13 deletions(-)
> >
> > diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
> > index b078eb2f3c9d..c27f74a3c0f3 100644
> > --- a/drivers/iio/industrialio-buffer.c
> > +++ b/drivers/iio/industrialio-buffer.c
> > @@ -1391,17 +1391,17 @@ static ssize_t direction_show(struct device *dev,
> > }
> > }
> >
> > -static DEVICE_ATTR(length, S_IRUGO | S_IWUSR, iio_buffer_read_length,
> > +static DEVICE_ATTR(length, 0644, iio_buffer_read_length,
> > iio_buffer_write_length);
> > static struct device_attribute dev_attr_length_ro = __ATTR(length,
> > - S_IRUGO, iio_buffer_read_length, NULL);
> > -static DEVICE_ATTR(enable, S_IRUGO | S_IWUSR,
> > + 0444, iio_buffer_read_length, NULL);
> > +static DEVICE_ATTR(enable, 0644,
> > iio_buffer_show_enable, iio_buffer_store_enable);
> > -static DEVICE_ATTR(watermark, S_IRUGO | S_IWUSR,
> > +static DEVICE_ATTR(watermark, 0644,
> > iio_buffer_show_watermark, iio_buffer_store_watermark);
> > static struct device_attribute dev_attr_watermark_ro = __ATTR(watermark,
> > - S_IRUGO, iio_buffer_show_watermark, NULL);
> > -static DEVICE_ATTR(data_available, S_IRUGO,
> > + 0444, iio_buffer_show_watermark, NULL);
> > +static DEVICE_ATTR(data_available, 0444,
> > iio_dma_show_data_available, NULL);
>
> a side effect of this change a slight shortening of how long the above
> two lines will be if combined into one. It's now sub 80 chars
> I think, so please make them a single line. Also check for similar
> cases elsewhere.
>
>
> > static DEVICE_ATTR_RO(direction);
> >
> > diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
> > index e1ed44dec2ab..35de348d686e 100644
> > --- a/drivers/iio/industrialio-core.c
> > +++ b/drivers/iio/industrialio-core.c
> > @@ -1114,12 +1114,12 @@ int __iio_device_attr_init(struct device_attribute *dev_attr,
> > dev_attr->attr.name = name;
> >
> > if (readfunc) {
> > - dev_attr->attr.mode |= S_IRUGO;
> > + dev_attr->attr.mode |= 0444;
> > dev_attr->show = readfunc;
> > }
> >
> > if (writefunc) {
> > - dev_attr->attr.mode |= S_IWUSR;
> > + dev_attr->attr.mode |= 0200;
> > dev_attr->store = writefunc;
> > }
> >
> > @@ -1401,7 +1401,7 @@ static ssize_t iio_show_dev_name(struct device *dev,
> > return sysfs_emit(buf, "%s\n", indio_dev->name);
> > }
> >
> > -static DEVICE_ATTR(name, S_IRUGO, iio_show_dev_name, NULL);
> > +static DEVICE_ATTR(name, 0444, iio_show_dev_name, NULL);
> >
> > static ssize_t iio_show_dev_label(struct device *dev,
> > struct device_attribute *attr,
> > @@ -1411,7 +1411,7 @@ static ssize_t iio_show_dev_label(struct device *dev,
> > return sysfs_emit(buf, "%s\n", indio_dev->label);
> > }
> >
> > -static DEVICE_ATTR(label, S_IRUGO, iio_show_dev_label, NULL);
> > +static DEVICE_ATTR(label, 0444, iio_show_dev_label, NULL);
> >
> > static ssize_t iio_show_timestamp_clock(struct device *dev,
> > struct device_attribute *attr,
> > @@ -1509,7 +1509,7 @@ int iio_device_register_sysfs_group(struct iio_dev *indio_dev,
> > return 0;
> > }
> >
> > -static DEVICE_ATTR(current_timestamp_clock, S_IRUGO | S_IWUSR,
> > +static DEVICE_ATTR(current_timestamp_clock, 0644,
> > iio_show_timestamp_clock, iio_store_timestamp_clock);
> >
> > static int iio_device_register_sysfs(struct iio_dev *indio_dev)
> > diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c
> > index f504ed351b3e..e22a35634f2c 100644
> > --- a/drivers/iio/industrialio-trigger.c
> > +++ b/drivers/iio/industrialio-trigger.c
> > @@ -54,7 +54,7 @@ static ssize_t iio_trigger_read_name(struct device *dev,
> > return sysfs_emit(buf, "%s\n", trig->name);
> > }
> >
> > -static DEVICE_ATTR(name, S_IRUGO, iio_trigger_read_name, NULL);
> > +static DEVICE_ATTR(name, 0444, iio_trigger_read_name, NULL);
> >
> > static struct attribute *iio_trig_dev_attrs[] = {
> > &dev_attr_name.attr,
> > @@ -494,7 +494,7 @@ static ssize_t iio_trigger_write_current(struct device *dev,
> > return ret;
> > }
> >
> > -static DEVICE_ATTR(current_trigger, S_IRUGO | S_IWUSR,
> > +static DEVICE_ATTR(current_trigger, 0644,
> > iio_trigger_read_current,
> > iio_trigger_write_current);
> >
>
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