Differential D55176 Diff 173346 sys/compat/linuxkpi/common/include/linux/sysfs.h

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

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#include <linux/mm.h>		#include <linux/mm.h>

struct sysfs_ops {		struct sysfs_ops {
ssize_t (show)(struct kobject , struct attribute , char );		ssize_t (show)(struct kobject , struct attribute , char );
ssize_t (store)(struct kobject , struct attribute , const char ,		ssize_t (store)(struct kobject , struct attribute , const char ,
size_t);		size_t);
};		};

struct attribute_group {
const char *name;
mode_t (is_visible)(struct kobject ,
struct attribute *, int);
struct attribute **attrs;
};

struct bin_attribute {		struct bin_attribute {
struct attribute attr;		struct attribute attr;
size_t size;		size_t size;
ssize_t (read)(struct linux_file , struct kobject *,		ssize_t (read)(struct linux_file , struct kobject *,
struct bin_attribute , char , loff_t, size_t);		struct bin_attribute , char , loff_t, size_t);
ssize_t (write)(struct linux_file , struct kobject *,		ssize_t (write)(struct linux_file , struct kobject *,
struct bin_attribute , char , loff_t, size_t);		struct bin_attribute , char , loff_t, size_t);
};		};

		struct attribute_group {
		const char *name;
		mode_t (is_visible)(struct kobject ,
		struct attribute *, int);
		struct attribute **attrs;
		struct bin_attribute **bin_attrs;
		};

#define __ATTR(_name, _mode, _show, _store) { \		#define __ATTR(_name, _mode, _show, _store) { \
.attr = { .name = __stringify(_name), .mode = _mode }, \		.attr = { .name = __stringify(_name), .mode = _mode }, \
.show = _show, .store = _store, \		.show = _show, .store = _store, \
}		}
#define __ATTR_RO(_name) { \		#define __ATTR_RO(_name) { \
.attr = { .name = __stringify(_name), .mode = 0444 }, \		.attr = { .name = __stringify(_name), .mode = 0444 }, \
.show = _name##_show, \		.show = _name##_show, \
}		}
▲ Show 20 Lines • Show All 295 Lines • ▼ Show 20 Lines	sysfs_remove_files(struct kobject kobj, const struct attribute const *attrs)
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 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 bin_attribute **bin_attr;
struct sysctl_oid *oidp;		struct sysctl_oid *oidp;

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

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

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

Show All 35 Lines	sysfs_merge_group(struct kobject kobj, const struct attribute_group grp)
/* Really expected behavior is to return failure if group exists. */		/* Really expected behavior is to return failure if group exists. */
return (sysfs_create_group(kobj, grp));		return (sysfs_create_group(kobj, grp));
}		}

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

SYSCTL_FOREACH(oidp, SYSCTL_CHILDREN(kobj->oidp)) {		SYSCTL_FOREACH(oidp, SYSCTL_CHILDREN(kobj->oidp)) {
if (strcmp(oidp->oid_name, grp->name) != 0)		if (strcmp(oidp->oid_name, grp->name) != 0)
continue;		continue;
for (attr = grp->attrs; *attr != NULL; attr++) {		for (attr = grp->attrs; attr != NULL && *attr != NULL; attr++) {
		emasteUnsubmitted Done Inline Actions We're iterating over `grp->attrs` here, so `grp->bin_attrs` seems missing. emaste: We're iterating over `grp->attrs` here, so `grp->bin_attrs` seems missing.
		wulfUnsubmitted Done Inline Actions And `attr != NULL` check added previously seems missing too wulf: And `attr != NULL` check added previously seems missing too
sysctl_remove_name(oidp, (*attr)->name, 1, 1);		sysctl_remove_name(oidp, (*attr)->name, 1, 1);
		}
		for (bin_attr = grp->bin_attrs; bin_attr != NULL && *bin_attr != NULL; bin_attr++) {
		emasteUnsubmitted Done Inline Actions this line may nee emaste: this line may nee
		sysctl_remove_name(oidp, (*bin_attr)->attr.name, 1, 1);
}		}
}		}
}		}

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