commit 70f2817a43c89b784dc2ec3d06ba5bf3064f8235
author Dmitry Torokhov <dtor_core@ameritech.net> Fri Apr 29 01:27:34 2005 -0500
committer Greg Kroah-Hartman <gregkh@suse.de> Mon Jun 20 15:15:03 2005 -0700
tree 210bbd16599d4e402051e4ec30c82e70b8b427ef
parent 6c1852a08e444a2e66367352a99c0e93c8bf3e97

[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>

drivers/firmware/edd.c

diff --git a/drivers/firmware/edd.c b/drivers/firmware/edd.c
index 33b669e..6996476 100644
--- a/drivers/firmware/edd.c
+++ b/drivers/firmware/edd.c
@@ -115,7 +115,7 @@
 {
 	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);