* [PATCH] counter/counter-sysfs: use sysfs_emit everywhere
@ 2021-10-17 19:01 David Lechner
2021-10-17 23:33 ` William Breathitt Gray
0 siblings, 1 reply; 5+ messages in thread
From: David Lechner @ 2021-10-17 19:01 UTC (permalink / raw)
To: linux-iio; +Cc: David Lechner, William Breathitt Gray, linux-kernel, Greg KH
In the counter subsystem, we are already using sysfs_emit(), but there
were a few places where we were still using sprintf() in *_show()
functions. For consistency and added protections, use sysfs_emit()
everywhere.
Suggested-by: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: David Lechner <david@lechnology.com>
---
drivers/counter/counter-sysfs.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/counter/counter-sysfs.c b/drivers/counter/counter-sysfs.c
index 7bf8882ff54d..8c2d7c29ea59 100644
--- a/drivers/counter/counter-sysfs.c
+++ b/drivers/counter/counter-sysfs.c
@@ -113,7 +113,7 @@ static ssize_t counter_comp_u8_show(struct device *dev,
/* data should already be boolean but ensure just to be safe */
data = !!data;
- return sprintf(buf, "%u\n", (unsigned int)data);
+ return sysfs_emit(buf, "%u\n", (unsigned int)data);
}
static ssize_t counter_comp_u8_store(struct device *dev,
@@ -196,7 +196,7 @@ static ssize_t counter_comp_u32_show(struct device *dev,
case COUNTER_COMP_COUNT_MODE:
return sysfs_emit(buf, "%s\n", counter_count_mode_str[data]);
default:
- return sprintf(buf, "%u\n", (unsigned int)data);
+ return sysfs_emit(buf, "%u\n", (unsigned int)data);
}
}
@@ -300,7 +300,7 @@ static ssize_t counter_comp_u64_show(struct device *dev,
if (err < 0)
return err;
- return sprintf(buf, "%llu\n", (unsigned long long)data);
+ return sysfs_emit(buf, "%llu\n", (unsigned long long)data);
}
static ssize_t counter_comp_u64_store(struct device *dev,
@@ -539,7 +539,7 @@ static ssize_t counter_comp_id_show(struct device *dev,
{
const size_t id = (size_t)to_counter_attribute(attr)->comp.priv;
- return sprintf(buf, "%zu\n", id);
+ return sysfs_emit(buf, "%zu\n", id);
}
static int counter_comp_id_attr_create(struct device *const dev,
--
2.25.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH] counter/counter-sysfs: use sysfs_emit everywhere
2021-10-17 19:01 [PATCH] counter/counter-sysfs: use sysfs_emit everywhere David Lechner
@ 2021-10-17 23:33 ` William Breathitt Gray
2021-10-18 6:06 ` Greg KH
0 siblings, 1 reply; 5+ messages in thread
From: William Breathitt Gray @ 2021-10-17 23:33 UTC (permalink / raw)
To: David Lechner, jic23; +Cc: linux-iio, linux-kernel, Greg KH
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On Sun, Oct 17, 2021 at 02:01:06PM -0500, David Lechner wrote:
> In the counter subsystem, we are already using sysfs_emit(), but there
> were a few places where we were still using sprintf() in *_show()
> functions. For consistency and added protections, use sysfs_emit()
> everywhere.
>
> Suggested-by: Greg KH <gregkh@linuxfoundation.org>
> Signed-off-by: David Lechner <david@lechnology.com>
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
> ---
> drivers/counter/counter-sysfs.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/counter/counter-sysfs.c b/drivers/counter/counter-sysfs.c
> index 7bf8882ff54d..8c2d7c29ea59 100644
> --- a/drivers/counter/counter-sysfs.c
> +++ b/drivers/counter/counter-sysfs.c
> @@ -113,7 +113,7 @@ static ssize_t counter_comp_u8_show(struct device *dev,
> /* data should already be boolean but ensure just to be safe */
> data = !!data;
>
> - return sprintf(buf, "%u\n", (unsigned int)data);
> + return sysfs_emit(buf, "%u\n", (unsigned int)data);
> }
>
> static ssize_t counter_comp_u8_store(struct device *dev,
> @@ -196,7 +196,7 @@ static ssize_t counter_comp_u32_show(struct device *dev,
> case COUNTER_COMP_COUNT_MODE:
> return sysfs_emit(buf, "%s\n", counter_count_mode_str[data]);
> default:
> - return sprintf(buf, "%u\n", (unsigned int)data);
> + return sysfs_emit(buf, "%u\n", (unsigned int)data);
> }
> }
>
> @@ -300,7 +300,7 @@ static ssize_t counter_comp_u64_show(struct device *dev,
> if (err < 0)
> return err;
>
> - return sprintf(buf, "%llu\n", (unsigned long long)data);
> + return sysfs_emit(buf, "%llu\n", (unsigned long long)data);
> }
>
> static ssize_t counter_comp_u64_store(struct device *dev,
> @@ -539,7 +539,7 @@ static ssize_t counter_comp_id_show(struct device *dev,
> {
> const size_t id = (size_t)to_counter_attribute(attr)->comp.priv;
>
> - return sprintf(buf, "%zu\n", id);
> + return sysfs_emit(buf, "%zu\n", id);
> }
>
> static int counter_comp_id_attr_create(struct device *const dev,
> --
> 2.25.1
>
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] counter/counter-sysfs: use sysfs_emit everywhere
2021-10-17 23:33 ` William Breathitt Gray
@ 2021-10-18 6:06 ` Greg KH
2021-10-18 8:19 ` William Breathitt Gray
0 siblings, 1 reply; 5+ messages in thread
From: Greg KH @ 2021-10-18 6:06 UTC (permalink / raw)
To: William Breathitt Gray; +Cc: David Lechner, jic23, linux-iio, linux-kernel
On Mon, Oct 18, 2021 at 08:33:34AM +0900, William Breathitt Gray wrote:
> On Sun, Oct 17, 2021 at 02:01:06PM -0500, David Lechner wrote:
> > In the counter subsystem, we are already using sysfs_emit(), but there
> > were a few places where we were still using sprintf() in *_show()
> > functions. For consistency and added protections, use sysfs_emit()
> > everywhere.
> >
> > Suggested-by: Greg KH <gregkh@linuxfoundation.org>
> > Signed-off-by: David Lechner <david@lechnology.com>
>
> Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Thanks, want me to take this directly on top of the previous pull
request?
greg k-h
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] counter/counter-sysfs: use sysfs_emit everywhere
2021-10-18 6:06 ` Greg KH
@ 2021-10-18 8:19 ` William Breathitt Gray
2021-10-18 8:26 ` Greg KH
0 siblings, 1 reply; 5+ messages in thread
From: William Breathitt Gray @ 2021-10-18 8:19 UTC (permalink / raw)
To: Greg KH; +Cc: David Lechner, jic23, linux-iio, linux-kernel
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On Mon, Oct 18, 2021 at 08:06:58AM +0200, Greg KH wrote:
> On Mon, Oct 18, 2021 at 08:33:34AM +0900, William Breathitt Gray wrote:
> > On Sun, Oct 17, 2021 at 02:01:06PM -0500, David Lechner wrote:
> > > In the counter subsystem, we are already using sysfs_emit(), but there
> > > were a few places where we were still using sprintf() in *_show()
> > > functions. For consistency and added protections, use sysfs_emit()
> > > everywhere.
> > >
> > > Suggested-by: Greg KH <gregkh@linuxfoundation.org>
> > > Signed-off-by: David Lechner <david@lechnology.com>
> >
> > Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
>
> Thanks, want me to take this directly on top of the previous pull
> request?
>
> greg k-h
Yes, that should be a fine path forward for this patch.
Thank you,
William Breathitt Gray
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] counter/counter-sysfs: use sysfs_emit everywhere
2021-10-18 8:19 ` William Breathitt Gray
@ 2021-10-18 8:26 ` Greg KH
0 siblings, 0 replies; 5+ messages in thread
From: Greg KH @ 2021-10-18 8:26 UTC (permalink / raw)
To: William Breathitt Gray; +Cc: David Lechner, jic23, linux-iio, linux-kernel
On Mon, Oct 18, 2021 at 05:19:02PM +0900, William Breathitt Gray wrote:
> On Mon, Oct 18, 2021 at 08:06:58AM +0200, Greg KH wrote:
> > On Mon, Oct 18, 2021 at 08:33:34AM +0900, William Breathitt Gray wrote:
> > > On Sun, Oct 17, 2021 at 02:01:06PM -0500, David Lechner wrote:
> > > > In the counter subsystem, we are already using sysfs_emit(), but there
> > > > were a few places where we were still using sprintf() in *_show()
> > > > functions. For consistency and added protections, use sysfs_emit()
> > > > everywhere.
> > > >
> > > > Suggested-by: Greg KH <gregkh@linuxfoundation.org>
> > > > Signed-off-by: David Lechner <david@lechnology.com>
> > >
> > > Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
> >
> > Thanks, want me to take this directly on top of the previous pull
> > request?
> >
> > greg k-h
>
> Yes, that should be a fine path forward for this patch.
Great! Can you also ack the other patch from David as well?
thanks,
greg k-h
^ permalink raw reply [flat|nested] 5+ messages in thread
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2021-10-17 19:01 [PATCH] counter/counter-sysfs: use sysfs_emit everywhere David Lechner
2021-10-17 23:33 ` William Breathitt Gray
2021-10-18 6:06 ` Greg KH
2021-10-18 8:19 ` William Breathitt Gray
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