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-rw-r--r--block/genhd.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/block/genhd.c b/block/genhd.c
index 5465a82..6a5b772 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -244,7 +244,7 @@ static struct blk_major_name {
} *major_names[BLKDEV_MAJOR_HASH_SIZE];
/* index in the above - for now: assume no multimajor ranges */
-static inline int major_to_index(int major)
+static inline int major_to_index(unsigned major)
{
return major % BLKDEV_MAJOR_HASH_SIZE;
}
@@ -828,7 +828,7 @@ static void *show_partition_start(struct seq_file *seqf, loff_t *pos)
static void *p;
p = disk_seqf_start(seqf, pos);
- if (!IS_ERR(p) && p && !*pos)
+ if (!IS_ERR_OR_NULL(p) && !*pos)
seq_puts(seqf, "major minor #blocks name\n\n");
return p;
}
@@ -1264,6 +1264,8 @@ struct gendisk *alloc_disk_node(int minors, int node_id)
}
disk->part_tbl->part[0] = &disk->part0;
+ hd_ref_init(&disk->part0);
+
disk->minors = minors;
rand_initialize_disk(disk);
disk_to_dev(disk)->class = &block_class;