diff options
Diffstat (limited to 'drivers/mtd/mtdpart.c')
| -rw-r--r-- | drivers/mtd/mtdpart.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index 208822040735..c0d464d192ee 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -413,7 +413,7 @@ static struct mtd_part *allocate_partition(struct mtd_info *parent, * parent conditional on that option. Note, this is a way to * distinguish between the master and the partition in sysfs. */ - slave->mtd.dev.parent = IS_ENABLED(CONFIG_MTD_PARTITIONED_MASTER) ? + slave->mtd.dev.parent = IS_ENABLED(CONFIG_MTD_PARTITIONED_MASTER) || mtd_is_partition(parent) ? &parent->dev : parent->dev.parent; slave->mtd.dev.of_node = part->of_node; @@ -664,8 +664,17 @@ EXPORT_SYMBOL_GPL(mtd_add_partition); */ static int __mtd_del_partition(struct mtd_part *priv) { + struct mtd_part *child, *next; int err; + list_for_each_entry_safe(child, next, &mtd_partitions, list) { + if (child->parent == &priv->mtd) { + err = __mtd_del_partition(child); + if (err) + return err; + } + } + sysfs_remove_files(&priv->mtd.dev.kobj, mtd_partition_attrs); err = del_mtd_device(&priv->mtd); @@ -680,16 +689,16 @@ static int __mtd_del_partition(struct mtd_part *priv) /* * This function unregisters and destroy all slave MTD objects which are - * attached to the given master MTD object. + * attached to the given MTD object. */ -int del_mtd_partitions(struct mtd_info *master) +int del_mtd_partitions(struct mtd_info *mtd) { struct mtd_part *slave, *next; int ret, err = 0; mutex_lock(&mtd_partitions_mutex); list_for_each_entry_safe(slave, next, &mtd_partitions, list) - if (slave->parent == master) { + if (slave->parent == mtd) { ret = __mtd_del_partition(slave); if (ret < 0) err = ret; @@ -699,14 +708,14 @@ int del_mtd_partitions(struct mtd_info *master) return err; } -int mtd_del_partition(struct mtd_info *master, int partno) +int mtd_del_partition(struct mtd_info *mtd, int partno) { struct mtd_part *slave, *next; int ret = -EINVAL; mutex_lock(&mtd_partitions_mutex); list_for_each_entry_safe(slave, next, &mtd_partitions, list) - if ((slave->parent == master) && + if ((slave->parent == mtd) && (slave->mtd.index == partno)) { ret = __mtd_del_partition(slave); break; @@ -939,6 +948,6 @@ uint64_t mtd_get_device_size(const struct mtd_info *mtd) if (!mtd_is_partition(mtd)) return mtd->size; - return mtd_to_part(mtd)->parent->size; + return mtd_get_device_size(mtd_to_part(mtd)->parent); } EXPORT_SYMBOL_GPL(mtd_get_device_size); |