diff options
Diffstat (limited to 'block/genhd.c')
| -rw-r--r-- | block/genhd.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/block/genhd.c b/block/genhd.c index a1d9e785dcf7..4d28f1d5f9b0 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -421,7 +421,9 @@ int device_add_disk(struct device *parent, struct gendisk *disk, DISK_MAX_PARTS); disk->minors = DISK_MAX_PARTS; } - if (disk->first_minor + disk->minors > MINORMASK + 1) + if (disk->first_minor > MINORMASK || + disk->minors > MINORMASK + 1 || + disk->first_minor + disk->minors > MINORMASK + 1) return -EINVAL; } else { if (WARN_ON(disk->minors)) @@ -495,7 +497,7 @@ int device_add_disk(struct device *parent, struct gendisk *disk, * and don't bother scanning for partitions either. */ disk->flags |= GENHD_FL_SUPPRESS_PARTITION_INFO; - disk->flags |= GENHD_FL_NO_PART_SCAN; + disk->flags |= GENHD_FL_NO_PART; } else { ret = bdi_register(disk->bdi, "%u:%u", disk->major, disk->first_minor); @@ -538,6 +540,7 @@ out_del_integrity: out_del_block_link: if (!sysfs_deprecated) sysfs_remove_link(block_depr, dev_name(ddev)); + pm_runtime_set_memalloc_noio(ddev, false); out_device_del: device_del(ddev); out_free_ext_minor: |