scsi: drivers: base: Propagate errors through the transport component

The transport registration may fail. Make sure the errors are propagated to the callers.

Gabriel Krisman Bertazi committed 6 years ago

Commit cd7ea701 parent 7c1ef332 files · +11 −6Browse files

Unified · Split

2 files

@@ -30,6 +30,10 @@ · 29 unmodified lines
30	#include <linux/attribute_container.h>	30	#include <linux/attribute_container.h>
31	#include <linux/transport_class.h>	31	#include <linux/transport_class.h>
32		32
		33	static int transport_remove_classdev(struct attribute_container *cont,
		34	struct device *dev,
		35	struct device *classdev);
		36
33	/**	37	/**
34	* transport_class_register - register an initial transport class	38	* transport_class_register - register an initial transport class
35	*	39	*
@@ -172,10 +176,11 @@ static int transport_add_class_device(struct attribute_container *cont, · 136 unmodified lines
172	* routine is simply a trigger point used to add the device to the	176	* routine is simply a trigger point used to add the device to the
173	* system and register attributes for it.	177	* system and register attributes for it.
174	*/	178	*/
175		179	int transport_add_device(struct device *dev)
176	void transport_add_device(struct device *dev)
177	{	180	{
178	attribute_container_device_trigger(dev, transport_add_class_device);	181	return attribute_container_device_trigger_safe(dev,
		182	transport_add_class_device,
		183	transport_remove_classdev);
179	}	184	}
180	EXPORT_SYMBOL_GPL(transport_add_device);	185	EXPORT_SYMBOL_GPL(transport_add_device);
181		186

@@ -62,16 +62,16 @@ struct transport_container { · 61 unmodified lines
62	container_of(x, struct transport_container, ac)	62	container_of(x, struct transport_container, ac)
63		63
64	void transport_remove_device(struct device *);	64	void transport_remove_device(struct device *);
65	void transport_add_device(struct device *);	65	int transport_add_device(struct device *);
66	void transport_setup_device(struct device *);	66	void transport_setup_device(struct device *);
67	void transport_configure_device(struct device *);	67	void transport_configure_device(struct device *);
68	void transport_destroy_device(struct device *);	68	void transport_destroy_device(struct device *);
69		69
70	static inline void	70	static inline int
71	transport_register_device(struct device *dev)	71	transport_register_device(struct device *dev)
72	{	72	{
73	transport_setup_device(dev);	73	transport_setup_device(dev);
74	transport_add_device(dev);	74	return transport_add_device(dev);
75	}	75	}
76		76
77	static inline void	77	static inline void