lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[PATCH] sysfs: (rest) if show/store is missing return -EIO

Browse Source 
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>
This commit is contained in:
Dmitry Torokhov
2005-04-29 01:27:34 -05:00
committed by Greg Kroah-Hartman
parent 6c1852a08e
commit 70f2817a43
7 changed files with 12 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/acpi/scan.c
View File

@ -65,14 +65,14 @@ static ssize_t acpi_device_attr_show(struct kobject *kobj,
{
struct acpi_device *device = to_acpi_device(kobj);
struct acpi_device_attribute *attribute = to_handle_attr(attr);
return attribute->show ? attribute->show(device, buf) : 0;
return attribute->show ? attribute->show(device, buf) : -EIO;
}
static ssize_t acpi_device_attr_store(struct kobject *kobj,
struct attribute *attr, const char *buf, size_t len)
{
struct acpi_device *device = to_acpi_device(kobj);
struct acpi_device_attribute *attribute = to_handle_attr(attr);
return attribute->store ? attribute->store(device, buf, len) : len;
return attribute->store ? attribute->store(device, buf, len) : -EIO;
}
static struct sysfs_ops acpi_device_sysfs_ops = {