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authorDmitry Torokhov <dtor_core@ameritech.net>2005-04-29 01:23:47 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2005-06-20 15:15:02 -0700
commit4a0c20bf8c0fe2116f8fd7d3da6122bf8a01f026 (patch)
tree48b6108a889f7cc007633c4d7d6f2c9fafe18082 /drivers/base/class.c
parentc76d0abd07a9c9cf72bbb5b641e1e97f92ea8f3e (diff)
[PATCH] sysfs: (driver/base) if show/store is missing return -EIO
sysfs: fix drivers/base so if an attribute doesn't implement show or store method read/write will return -EIO instead of 0. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/base/class.c')
-rw-r--r--drivers/base/class.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/base/class.c b/drivers/base/class.c
index ff33ebbf1dc..344b8cd7390 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -26,7 +26,7 @@ class_attr_show(struct kobject * kobj, struct attribute * attr, char * buf)
{
struct class_attribute * class_attr = to_class_attr(attr);
struct class * dc = to_class(kobj);
- ssize_t ret = 0;
+ ssize_t ret = -EIO;
if (class_attr->show)
ret = class_attr->show(dc, buf);
@@ -39,7 +39,7 @@ class_attr_store(struct kobject * kobj, struct attribute * attr,
{
struct class_attribute * class_attr = to_class_attr(attr);
struct class * dc = to_class(kobj);
- ssize_t ret = 0;
+ ssize_t ret = -EIO;
if (class_attr->store)
ret = class_attr->store(dc, buf, count);