[PATCH] sysfs: (driver/pci) if show/store is missing return -EIO
sysfs: fix drivers/pci so if an attribute does not 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>
diff --git a/drivers/pci/hotplug/rpadlpar_sysfs.c b/drivers/pci/hotplug/rpadlpar_sysfs.c
index 3285b82..752e651 100644
--- a/drivers/pci/hotplug/rpadlpar_sysfs.c
+++ b/drivers/pci/hotplug/rpadlpar_sysfs.c
@@ -48,7 +48,7 @@
struct dlpar_io_attr *dlpar_attr = container_of(attr,
struct dlpar_io_attr, attr);
return dlpar_attr->store ?
- dlpar_attr->store(dlpar_attr, buf, nbytes) : 0;
+ dlpar_attr->store(dlpar_attr, buf, nbytes) : -EIO;
}
static struct sysfs_ops dlpar_attr_sysfs_ops = {
