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| author | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-04-29 10:23:47 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-06-21 02:15:02 +0400 |
| commit | 4a0c20bf8c0fe2116f8fd7d3da6122bf8a01f026 (patch) | |
| tree | 48b6108a889f7cc007633c4d7d6f2c9fafe18082 /drivers/base/bus.c | |
| parent | c76d0abd07a9c9cf72bbb5b641e1e97f92ea8f3e (diff) | |
| download | linux-4a0c20bf8c0fe2116f8fd7d3da6122bf8a01f026.tar.xz | |
[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>
Diffstat (limited to 'drivers/base/bus.c')
| -rw-r--r-- | drivers/base/bus.c | 4 |
1 files changed, 2 insertions, 2 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); |