Differential D21542 Diff 61737 sys/compat/linuxkpi/common/include/linux/sysfs.h

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sys/compat/linuxkpi/common/include/linux/sysfs.h

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	sysfs_remove_files(struct kobject kobj, const struct attribute const *attrs)			sysfs_remove_files(struct kobject kobj, const struct attribute const *attrs)
	{			{
	int i;			int i;

	for (i = 0; attrs[i]; i++)			for (i = 0; attrs[i]; i++)
	sysfs_remove_file(kobj, attrs[i]);			sysfs_remove_file(kobj, attrs[i]);
	}			}

	static inline void
	sysfs_remove_group(struct kobject kobj, const struct attribute_group grp)
	{

	if (kobj->oidp)
	sysctl_remove_name(kobj->oidp, grp->name, 1, 1);
	}

	static inline int			static inline int
	sysfs_create_group(struct kobject kobj, const struct attribute_group grp)			sysfs_create_group(struct kobject kobj, const struct attribute_group grp)
	{			{
	struct attribute **attr;			struct attribute **attr;
	struct sysctl_oid *oidp;			struct sysctl_oid *oidp;

				/* Don't create the group node if grp->name is undefined. */
				if (grp->name)
	oidp = SYSCTL_ADD_NODE(NULL, SYSCTL_CHILDREN(kobj->oidp),			oidp = SYSCTL_ADD_NODE(NULL, SYSCTL_CHILDREN(kobj->oidp),
	OID_AUTO, grp->name, CTLFLAG_RD\|CTLFLAG_MPSAFE, NULL, grp->name);			OID_AUTO, grp->name, CTLFLAG_RD\|CTLFLAG_MPSAFE, NULL, grp->name);
				else
				oidp = kobj->oidp;
	for (attr = grp->attrs; *attr != NULL; attr++) {			for (attr = grp->attrs; *attr != NULL; attr++) {
	SYSCTL_ADD_OID(NULL, SYSCTL_CHILDREN(oidp), OID_AUTO,			SYSCTL_ADD_OID(NULL, SYSCTL_CHILDREN(oidp), OID_AUTO,
	(*attr)->name, CTLTYPE_STRING\|CTLFLAG_RW\|CTLFLAG_MPSAFE,			(*attr)->name, CTLTYPE_STRING\|CTLFLAG_RW\|CTLFLAG_MPSAFE,
	kobj, (uintptr_t)*attr, sysctl_handle_attr, "A", "");			kobj, (uintptr_t)*attr, sysctl_handle_attr, "A", "");
	}			}

	return (0);			return (0);
	}			}

				static inline void
				sysfs_remove_group(struct kobject kobj, const struct attribute_group grp)
				{

				if (kobj->oidp)
				sysctl_remove_name(kobj->oidp, grp->name, 1, 1);
				}

	static inline int			static inline int
				sysfs_create_groups(struct kobject kobj, const struct attribute_group *grps)
				{
				int error = 0;
				int i;

				for (i = 0; grps[i] && !error; i++)
				error = sysfs_create_group(kobj, grps[i]);
				while (error && --i >= 0)
				sysfs_remove_group(kobj, grps[i]);

				return (error);
				}

				static inline int
				sysfs_merge_group(struct kobject kobj, const struct attribute_group grp)
				{

				/* Really expected behavior is to return failure if group exists. */
				return (sysfs_create_group(kobj, grp));
				}

				static inline void
				sysfs_unmerge_group(struct kobject kobj, const struct attribute_group grp)
				{
				struct attribute **attr;
				struct sysctl_oid *oidp;

				SLIST_FOREACH(oidp, SYSCTL_CHILDREN(kobj->oidp), oid_link) {
				if (strcmp(oidp->oid_name, grp->name) != 0)
				continue;
				for (attr = grp->attrs; *attr != NULL; attr++) {
				sysctl_remove_name(oidp, (*attr)->name, 1, 1);
				}
				}
				}

				static inline int
	sysfs_create_dir(struct kobject *kobj)			sysfs_create_dir(struct kobject *kobj)
	{			{
	struct sysctl_oid *oid;			struct sysctl_oid *oid;

	oid = SYSCTL_ADD_NODE(NULL, SYSCTL_CHILDREN(kobj->parent->oidp),			oid = SYSCTL_ADD_NODE(NULL, SYSCTL_CHILDREN(kobj->parent->oidp),
	OID_AUTO, kobj->name, CTLFLAG_RD\|CTLFLAG_MPSAFE, NULL, kobj->name);			OID_AUTO, kobj->name, CTLFLAG_RD\|CTLFLAG_MPSAFE, NULL, kobj->name);
	if (!oid) {			if (!oid) {
	return (-ENOMEM);			return (-ENOMEM);
	}			}
	kobj->oidp = oid;			kobj->oidp = oid;

	return (0);			return (0);
	}			}

	static inline void			static inline void
	sysfs_remove_dir(struct kobject *kobj)			sysfs_remove_dir(struct kobject *kobj)
	{			{

	if (kobj->oidp == NULL)			if (kobj->oidp == NULL)
	return;			return;
	sysctl_remove_oid(kobj->oidp, 1, 1);			sysctl_remove_oid(kobj->oidp, 1, 1);
				}

				static inline bool
				sysfs_streq(const char s1, const char s2)
				{
				int l1, l2;

				l1 = strlen(s1);
				l2 = strlen(s2);

				if (l1 == 0 \|\| l2 == 0)
				hselaskyUnsubmitted Not Done Inline Actions You should test for l1 != 0 and l2 != 0 hselasky: You should test for l1 != 0 and l2 != 0
				johalunAuthorUnsubmitted Done Inline Actions Good catch. Fixed. johalun: Good catch. Fixed.
				return (false);
				if (s1[l1-1] == '\n')
				l1--;
				if (s2[l2-1] == '\n')
				l2--;

				return (l1 == l2 && strncmp(s1, s2, l1) == 0);
	}			}

	#define sysfs_attr_init(attr) do {} while(0)			#define sysfs_attr_init(attr) do {} while(0)

	#endif /* _LINUX_SYSFS_H_ */			#endif /* _LINUX_SYSFS_H_ */