[PATCH] dyndbg: use sysfs_emit() instead of scnprintf()

xie.ludan@zte.com.cn posted 1 patch 9 months, 1 week ago
There is a newer version of this series
lib/dynamic_debug.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
[PATCH] dyndbg: use sysfs_emit() instead of scnprintf()
Posted by xie.ludan@zte.com.cn 9 months, 1 week ago
From: XieLudan

Follow the advice in Documentation/filesystems/sysfs.rst:
show() should only use sysfs_emit() or sysfs_emit_at() when formatting
the value to be returned to user space.

Signed-off-by: XieLudan
---
lib/dynamic_debug.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 5a007952f7f2..83ce3f310ab9 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -795,11 +795,11 @@ int param_get_dyndbg_classes(char *buffer, const struct kernel_param *kp)

case DD_CLASS_TYPE_DISJOINT_NAMES:
case DD_CLASS_TYPE_DISJOINT_BITS:
- return scnprintf(buffer, PAGE_SIZE, "0x%lx\n", *dcp->bits);
+ return sysfs_emit(buffer, "0x%lx\n", *dcp->bits);

case DD_CLASS_TYPE_LEVEL_NAMES:
case DD_CLASS_TYPE_LEVEL_NUM:
- return scnprintf(buffer, PAGE_SIZE, "%d\n", *dcp->lvl);
+ return sysfs_emit(buffer, "%d\n", *dcp->lvl);
default:
return -1;
}
--
2.25.1
Re: [PATCH] dyndbg: use sysfs_emit() instead of scnprintf()
Posted by Jiri Slaby 9 months ago
You sent a couple of patches multiple times without a reason?

On 15. 03. 25, 7:07, xie.ludan@zte.com.cn wrote:
> From: XieLudan
> 
> Follow the advice in Documentation/filesystems/sysfs.rst:
> show() should only use sysfs_emit() or sysfs_emit_at() when formatting
> the value to be returned to user space.
> 
> Signed-off-by: XieLudan
> ---
> lib/dynamic_debug.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
> index 5a007952f7f2..83ce3f310ab9 100644
> --- a/lib/dynamic_debug.c
> +++ b/lib/dynamic_debug.c
> @@ -795,11 +795,11 @@ int param_get_dyndbg_classes(char *buffer, const struct kernel_param *kp)
> 
> case DD_CLASS_TYPE_DISJOINT_NAMES:
> case DD_CLASS_TYPE_DISJOINT_BITS:
> - return scnprintf(buffer, PAGE_SIZE, "0x%lx\n", *dcp->bits);
> + return sysfs_emit(buffer, "0x%lx\n", *dcp->bits);
> 
> case DD_CLASS_TYPE_LEVEL_NAMES:
> case DD_CLASS_TYPE_LEVEL_NUM:
> - return scnprintf(buffer, PAGE_SIZE, "%d\n", *dcp->lvl);
> + return sysfs_emit(buffer, "%d\n", *dcp->lvl);
> default:
> return -1;
> }
> --
> 2.25.1
> 

-- 
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