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

Browse source 
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 <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Dmitry Torokhov 2005-04-29 01:27:34 -05:00 • committed by Greg Kroah-Hartman
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);

4
drivers/firmware/efivars.c
View file

@ -352,7 +352,7 @@ static ssize_t efivar_attr_show(struct kobject *kobj, struct attribute *attr,
{
struct efivar_entry *var = to_efivar_entry(kobj);
struct efivar_attribute *efivar_attr = to_efivar_attr(attr);
ssize_t ret = 0;
ssize_t ret = -EIO;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
@ -368,7 +368,7 @@ static ssize_t efivar_attr_store(struct kobject *kobj, struct attribute *attr,
{
struct efivar_entry *var = to_efivar_entry(kobj);
struct efivar_attribute *efivar_attr = to_efivar_attr(attr);
ssize_t ret = 0;
ssize_t ret = -EIO;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;