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[PATCH] sysfs: (rest) if show/store is missing return -EIO

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sysfs: fix the rest of the kernel so if an attribute doesn't
       implement show or store method read/write will return
       -EIO instead of 0 or -EINVAL or -EPERM.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dmitry Torokhov
2005-04-29 01:27:34 -05:00
committed by Greg Kroah-Hartman
parent 6c1852a08e
commit 70f2817a43
7 changed files with 12 additions and 12 deletions
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4
security/seclvl.c
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@@ -155,7 +155,7 @@ seclvl_attr_store(struct kobject *kobj,
struct seclvl_obj *obj = container_of(kobj, struct seclvl_obj, kobj);
struct seclvl_attribute *attribute =
container_of(attr, struct seclvl_attribute, attr);
return (attribute->store ? attribute->store(obj, buf, len) : 0);
return attribute->store ? attribute->store(obj, buf, len) : -EIO;
}
static ssize_t
@@ -164,7 +164,7 @@ seclvl_attr_show(struct kobject *kobj, struct attribute *attr, char *buf)
struct seclvl_obj *obj = container_of(kobj, struct seclvl_obj, kobj);
struct seclvl_attribute *attribute =
container_of(attr, struct seclvl_attribute, attr);
return (attribute->show ? attribute->show(obj, buf) : 0);
return attribute->show ? attribute->show(obj, buf) : -EIO;
}
/**