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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/base/transport_class.c
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@@ -30,6 +30,10 @@
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 #include <linux/attribute_container.h>
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 #include <linux/transport_class.h>
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+static int transport_remove_classdev(struct attribute_container *cont,
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+				     struct device *dev,
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+				     struct device *classdev);
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+
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 /**
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  * transport_class_register - register an initial transport class
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  *
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@@ -172,10 +176,11 @@
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  * routine is simply a trigger point used to add the device to the
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  * system and register attributes for it.
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  */
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-
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-void transport_add_device(struct device *dev)
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+int transport_add_device(struct device *dev)
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 {
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-	attribute_container_device_trigger(dev, transport_add_class_device);
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+	return attribute_container_device_trigger_safe(dev,
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+					transport_add_class_device,
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+					transport_remove_classdev);
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 }
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 EXPORT_SYMBOL_GPL(transport_add_device);
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