diff options
| -rw-r--r-- | drivers/mtd/ubi/build.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 0ed8105f9c1..5098e6d5709 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -122,6 +122,8 @@ static struct device_attribute dev_min_io_size = __ATTR(min_io_size, S_IRUGO, dev_attribute_show, NULL); static struct device_attribute dev_bgt_enabled = __ATTR(bgt_enabled, S_IRUGO, dev_attribute_show, NULL); +static struct device_attribute dev_mtd_num = + __ATTR(mtd_num, S_IRUGO, dev_attribute_show, NULL); /** * ubi_get_device - get UBI device. @@ -257,8 +259,10 @@ static ssize_t dev_attribute_show(struct device *dev, ret = sprintf(buf, "%d\n", ubi->min_io_size); else if (attr == &dev_bgt_enabled) ret = sprintf(buf, "%d\n", ubi->thread_enabled); + else if (attr == &dev_mtd_num) + ret = sprintf(buf, "%d\n", ubi->mtd->index); else - BUG(); + ret = -EINVAL; ubi_put_device(ubi); return ret; @@ -314,6 +318,9 @@ static int ubi_sysfs_init(struct ubi_device *ubi) if (err) return err; err = device_create_file(&ubi->dev, &dev_bgt_enabled); + if (err) + return err; + err = device_create_file(&ubi->dev, &dev_mtd_num); return err; } @@ -323,6 +330,7 @@ static int ubi_sysfs_init(struct ubi_device *ubi) */ static void ubi_sysfs_close(struct ubi_device *ubi) { + device_remove_file(&ubi->dev, &dev_mtd_num); device_remove_file(&ubi->dev, &dev_bgt_enabled); device_remove_file(&ubi->dev, &dev_min_io_size); device_remove_file(&ubi->dev, &dev_max_vol_count); |