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net: sysfs: Fix weird usage of class's namespace relevant fields

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Device class has two namespace relevant fields which are associated by
the following usage:

struct class {
	...
	const struct kobj_ns_type_operations *ns_type;
	const void *(*namespace)(const struct device *dev);
	...
}
if (dev->class && dev->class->ns_type)
	dev->class->namespace(dev);

The usage looks weird since it checks @ns_type but calls namespace()
it is found for all existing class definitions that the other filed is
also assigned once one is assigned in current kernel tree, so fix this
weird usage by checking @namespace to call namespace().

Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Zijun Hu 2024-09-05 07:35:38 +08:00 • committed by David S. Miller
parent 4897313bdb
commit 8f08854199
1 changed files with 2 additions and 2 deletions
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4
net/core/net-sysfs.c
View file

@ -1060,7 +1060,7 @@ static const void *rx_queue_namespace(const struct kobject *kobj)
struct device *dev = &queue->dev->dev;
const void *ns = NULL;
if (dev->class && dev->class->ns_type)
if (dev->class && dev->class->namespace)
ns = dev->class->namespace(dev);
return ns;
@ -1744,7 +1744,7 @@ static const void *netdev_queue_namespace(const struct kobject *kobj)
struct device *dev = &queue->dev->dev;
const void *ns = NULL;
if (dev->class && dev->class->ns_type)
if (dev->class && dev->class->namespace)
ns = dev->class->namespace(dev);
return ns;