diff options
| author | Dmitry Torokhov | 2005-04-29 01:22:00 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2005-06-20 15:15:02 -0700 |
| commit | c76d0abd07a9c9cf72bbb5b641e1e97f92ea8f3e (patch) | |
| tree | c5f3c752031dfb8b7c5a624d06b129661eec5665 | |
| parent | d48593bf208e0d046c35fb0707ae5b23fef8c4ff (diff) | |
[PATCH] sysfs: if show/store is missing return -EIO
sysfs: if attribute does not implement show or store method
read/write should return -EIO instead of 0 or -EINVAL.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | fs/sysfs/bin.c | 4 | ||||
| -rw-r--r-- | fs/sysfs/file.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c index d4aaa88d0214..78899eeab974 100644 --- a/fs/sysfs/bin.c +++ b/fs/sysfs/bin.c @@ -25,7 +25,7 @@ fill_read(struct dentry *dentry, char *buffer, loff_t off, size_t count) struct kobject * kobj = to_kobj(dentry->d_parent); if (!attr->read) - return -EINVAL; + return -EIO; return attr->read(kobj, buffer, off, count); } @@ -71,7 +71,7 @@ flush_write(struct dentry *dentry, char *buffer, loff_t offset, size_t count) struct kobject *kobj = to_kobj(dentry->d_parent); if (!attr->write) - return -EINVAL; + return -EIO; return attr->write(kobj, buffer, offset, count); } diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index 364208071e17..1481cae7d99a 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -23,7 +23,7 @@ subsys_attr_show(struct kobject * kobj, struct attribute * attr, char * page) { struct subsystem * s = to_subsys(kobj); struct subsys_attribute * sattr = to_sattr(attr); - ssize_t ret = 0; + ssize_t ret = -EIO; if (sattr->show) ret = sattr->show(s,page); @@ -36,7 +36,7 @@ subsys_attr_store(struct kobject * kobj, struct attribute * attr, { struct subsystem * s = to_subsys(kobj); struct subsys_attribute * sattr = to_sattr(attr); - ssize_t ret = 0; + ssize_t ret = -EIO; if (sattr->store) ret = sattr->store(s,page,count); |