diff options
Diffstat (limited to 'fs/partitions')
| -rw-r--r-- | fs/partitions/check.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/partitions/check.c b/fs/partitions/check.c index c442f0aadac3..0d4b7f28f13f 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -333,6 +333,7 @@ void delete_partition(struct gendisk *disk, int partno) if (!part) return; + blk_free_devt(part_devt(part)); rcu_assign_pointer(disk->__part[partno-1], NULL); kobject_put(part->holder_dir); device_del(&part->dev); @@ -352,6 +353,7 @@ int add_partition(struct gendisk *disk, int partno, sector_t start, sector_t len, int flags) { struct hd_struct *p; + dev_t devt = MKDEV(0, 0); int err; if (disk->__part[partno - 1]) @@ -378,11 +380,15 @@ int add_partition(struct gendisk *disk, int partno, "%s%d", disk->dev.bus_id, partno); device_initialize(&p->dev); - p->dev.devt = MKDEV(disk->major, disk->first_minor + partno); p->dev.class = &block_class; p->dev.type = &part_type; p->dev.parent = &disk->dev; + err = blk_alloc_devt(p, &devt); + if (err) + goto out_put; + p->dev.devt = devt; + /* delay uevent until 'holders' subdir is created */ p->dev.uevent_suppress = 1; err = device_add(&p->dev); @@ -419,6 +425,7 @@ out_del: device_del(&p->dev); out_put: put_device(&p->dev); + blk_free_devt(devt); return err; } |