From 4a0c20bf8c0fe2116f8fd7d3da6122bf8a01f026 Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Fri, 29 Apr 2005 01:23:47 -0500 Subject: [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 Signed-off-by: Greg Kroah-Hartman --- drivers/base/class.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/base/class.c') diff --git a/drivers/base/class.c b/drivers/base/class.c index ff33ebbf1dc7..344b8cd73901 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); -- cgit v1.2.3-55-g7522