1 files changed, 6 insertions, 6 deletions

diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index ac0df3acdcda..b60699c271ac 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -173,7 +173,7 @@ check_partition(struct gendisk *hd, struct block_device *bdev)
         if (isdigit(state->name[strlen(state->name)-1]))
                 sprintf(state->name, "p");
 
-        state->limit = disk_max_parts(hd) + 1;
+        state->limit = disk_max_parts(hd);
         i = res = err = 0;
         while (!res && check_part[i]) {
                 memset(&state->parts, 0, sizeof(state->parts));
@@ -329,12 +329,12 @@ void delete_partition(struct gendisk *disk, int partno)
 {
         struct hd_struct *part;
 
-        part = disk->__part[partno-1];
+        part = disk->__part[partno];
         if (!part)
                 return;
 
         blk_free_devt(part_devt(part));
-        rcu_assign_pointer(disk->__part[partno-1], NULL);
+        rcu_assign_pointer(disk->__part[partno], NULL);
         kobject_put(part->holder_dir);
         device_del(part_to_dev(part));
 
@@ -359,7 +359,7 @@ int add_partition(struct gendisk *disk, int partno,
         const char *dname;
         int err;
 
-        if (disk->__part[partno - 1])
+        if (disk->__part[partno])
                 return -EBUSY;
 
         p = kzalloc(sizeof(*p), GFP_KERNEL);
@@ -413,7 +413,7 @@ int add_partition(struct gendisk *disk, int partno,
 
         /* everything is up and running, commence */
         INIT_RCU_HEAD(&p->rcu_head);
-        rcu_assign_pointer(disk->__part[partno - 1], p);
+        rcu_assign_pointer(disk->__part[partno], p);
 
         /* suppress uevent if the disk supresses it */
         if (!ddev->uevent_suppress)
@@ -467,7 +467,7 @@ void register_disk(struct gendisk *disk)
         disk_sysfs_add_subdirs(disk);
 
         /* No minors to use for partitions */
-        if (!disk_max_parts(disk))
+        if (!disk_partitionable(disk))
                 goto exit;
 
         /* No such device (e.g., media were just removed) */