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authorDmitry Torokhov <dtor_core@ameritech.net>2005-04-29 01:27:34 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2005-06-20 15:15:03 -0700
commit70f2817a43c89b784dc2ec3d06ba5bf3064f8235 (patch)
tree210bbd16599d4e402051e4ec30c82e70b8b427ef /drivers/firmware
parent6c1852a08e444a2e66367352a99c0e93c8bf3e97 (diff)
[PATCH] sysfs: (rest) if show/store is missing return -EIO
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>
Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/edd.c2
-rw-r--r--drivers/firmware/efivars.c4
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/firmware/edd.c b/drivers/firmware/edd.c
index 33b669e6f97..6996476669f 100644
--- a/drivers/firmware/edd.c
+++ b/drivers/firmware/edd.c
@@ -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);
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index 0287ff65963..a3451cb9400 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -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;