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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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2
drivers/firmware/edd.c
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@@ -115,7 +115,7 @@ edd_attr_show(struct kobject * kobj, struct attribute *attr, char *buf)
{
struct edd_device *dev = to_edd_device(kobj);
struct edd_attribute *edd_attr = to_edd_attr(attr);
ssize_t ret = 0;
ssize_t ret = -EIO;
if (edd_attr->show)
ret = edd_attr->show(dev, buf);