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| author | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-04-29 08:27:34 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-06-21 00:15:03 +0200 |
| commit | 70f2817a43c89b784dc2ec3d06ba5bf3064f8235 (patch) | |
| tree | 210bbd16599d4e402051e4ec30c82e70b8b427ef /drivers/acpi/scan.c | |
| parent | [PATCH] sysfs: (driver/block) if show/store is missing return -EIO (diff) | |
| download | linux-70f2817a43c89b784dc2ec3d06ba5bf3064f8235.tar.xz linux-70f2817a43c89b784dc2ec3d06ba5bf3064f8235.zip | |
[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>
Diffstat (limited to 'drivers/acpi/scan.c')
| -rw-r--r-- | drivers/acpi/scan.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 119c94093a13..e85885593280 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -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 = { |