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>
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| .. | ||
| bin.c | ||
| dir.c | ||
| file.c | ||
| group.c | ||
| inode.c | ||
| Makefile | ||
| mount.c | ||
| symlink.c | ||
| sysfs.h | ||