2020-05-29 03:45:23

by Shuai He

Subject: [PATCH] drivers/dax/bus: Use kobj_to_dev() API

Use kobj_to_dev() API instead of container_of().

Signed-off-by: Shuai He <[email protected]>
---
drivers/dax/bus.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
index df238c8..24625d2 100644
--- a/drivers/dax/bus.c
+++ b/drivers/dax/bus.c
@@ -331,7 +331,7 @@ static DEVICE_ATTR_RO(numa_node);

static umode_t dev_dax_visible(struct kobject *kobj, struct attribute *a, int n)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct dev_dax *dev_dax = to_dev_dax(dev);

if (a == &dev_attr_target_node.attr && dev_dax_target_node(dev_dax) < 0)
--
2.7.4

2020-06-01 05:49:36

by Ira Weiny

Subject: Re: [PATCH] drivers/dax/bus: Use kobj_to_dev() API

On Fri, May 29, 2020 at 11:42:57AM +0800, Shuai He wrote:
> Use kobj_to_dev() API instead of container_of().
>
> Signed-off-by: Shuai He <[email protected]>

Seems reasonable:
Reviewed-by: Ira Weiny <[email protected]>

> ---
> drivers/dax/bus.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
> index df238c8..24625d2 100644
> --- a/drivers/dax/bus.c
> +++ b/drivers/dax/bus.c
> @@ -331,7 +331,7 @@ static DEVICE_ATTR_RO(numa_node);
>
> static umode_t dev_dax_visible(struct kobject *kobj, struct attribute *a, int n)
> {
> - struct device *dev = container_of(kobj, struct device, kobj);
> + struct device *dev = kobj_to_dev(kobj);
> struct dev_dax *dev_dax = to_dev_dax(dev);
>
> if (a == &dev_attr_target_node.attr && dev_dax_target_node(dev_dax) < 0)
> --
> 2.7.4
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2020-06-02 21:18:32

by Pankaj Gupta

Subject: Re: [PATCH] drivers/dax/bus: Use kobj_to_dev() API

> Use kobj_to_dev() API instead of container_of().
>
> Signed-off-by: Shuai He <[email protected]>
> ---
> drivers/dax/bus.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
> index df238c8..24625d2 100644
> --- a/drivers/dax/bus.c
> +++ b/drivers/dax/bus.c
> @@ -331,7 +331,7 @@ static DEVICE_ATTR_RO(numa_node);
>
> static umode_t dev_dax_visible(struct kobject *kobj, struct attribute *a, int n)
> {
> - struct device *dev = container_of(kobj, struct device, kobj);
> + struct device *dev = kobj_to_dev(kobj);
> struct dev_dax *dev_dax = to_dev_dax(dev);
>
> if (a == &dev_attr_target_node.attr && dev_dax_target_node(dev_dax) < 0)

Reviewed-by: Pankaj Gupta <[email protected]>