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| author | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-04-29 08:23:47 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-06-21 00:15:02 +0200 |
| commit | 4a0c20bf8c0fe2116f8fd7d3da6122bf8a01f026 (patch) | |
| tree | 48b6108a889f7cc007633c4d7d6f2c9fafe18082 | |
| parent | [PATCH] sysfs: if show/store is missing return -EIO (diff) | |
| download | linux-4a0c20bf8c0fe2116f8fd7d3da6122bf8a01f026.tar.xz linux-4a0c20bf8c0fe2116f8fd7d3da6122bf8a01f026.zip | |
[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 <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/base/bus.c | 4 | ||||
| -rw-r--r-- | drivers/base/class.c | 4 | ||||
| -rw-r--r-- | drivers/base/core.c | 4 | ||||
| -rw-r--r-- | drivers/base/sys.c | 4 |
4 files changed, 8 insertions, 8 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 3cb04bb04c2b..80ce88de56fa 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -36,7 +36,7 @@ drv_attr_show(struct kobject * kobj, struct attribute * attr, char * buf) { struct driver_attribute * drv_attr = to_drv_attr(attr); struct device_driver * drv = to_driver(kobj); - ssize_t ret = 0; + ssize_t ret = -EIO; if (drv_attr->show) ret = drv_attr->show(drv, buf); @@ -49,7 +49,7 @@ drv_attr_store(struct kobject * kobj, struct attribute * attr, { struct driver_attribute * drv_attr = to_drv_attr(attr); struct device_driver * drv = to_driver(kobj); - ssize_t ret = 0; + ssize_t ret = -EIO; if (drv_attr->store) ret = drv_attr->store(drv, buf, count); 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); diff --git a/drivers/base/core.c b/drivers/base/core.c index 32f3f09a42e0..a293a788abd4 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -36,7 +36,7 @@ dev_attr_show(struct kobject * kobj, struct attribute * attr, char * buf) { struct device_attribute * dev_attr = to_dev_attr(attr); struct device * dev = to_dev(kobj); - ssize_t ret = 0; + ssize_t ret = -EIO; if (dev_attr->show) ret = dev_attr->show(dev, buf); @@ -49,7 +49,7 @@ dev_attr_store(struct kobject * kobj, struct attribute * attr, { struct device_attribute * dev_attr = to_dev_attr(attr); struct device * dev = to_dev(kobj); - ssize_t ret = 0; + ssize_t ret = -EIO; if (dev_attr->store) ret = dev_attr->store(dev, buf, count); diff --git a/drivers/base/sys.c b/drivers/base/sys.c index 9102e3756f95..f37a13de804a 100644 --- a/drivers/base/sys.c +++ b/drivers/base/sys.c @@ -37,7 +37,7 @@ sysdev_show(struct kobject * kobj, struct attribute * attr, char * buffer) if (sysdev_attr->show) return sysdev_attr->show(sysdev, buffer); - return 0; + return -EIO; } @@ -50,7 +50,7 @@ sysdev_store(struct kobject * kobj, struct attribute * attr, if (sysdev_attr->store) return sysdev_attr->store(sysdev, buffer, count); - return 0; + return -EIO; } static struct sysfs_ops sysfs_ops = { |