DL-Mirrors/kernel-tenderloin-3.0
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[PATCH] sysfs: if show/store is missing return -EIO

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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>
This commit is contained in:
Dmitry Torokhov
2005-04-29 01:22:00 -05:00
committed by Greg Kroah-Hartman
parent d48593bf20
commit c76d0abd07
2 changed files with 4 additions and 4 deletions
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4
fs/sysfs/bin.c
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@@ -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);
}