nvdimm/btt: add error handling support for add_disk()

[linux-2.6-block.git] / drivers / nvdimm / btt.c

diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index 5cb6d7ac6e36487b61b368d69bd4dee9b33853a6..38ed53eeea5e683659bd05c0b960ec1bc81e4228 100644 (file)
--- a/drivers/nvdimm/btt.c
+++ b/drivers/nvdimm/btt.c
@@ -1541,7 +1541,9 @@ static int btt_blk_init(struct btt *btt)
        }
 
        set_capacity(btt->btt_disk, btt->nlba * btt->sector_size >> 9);
-       device_add_disk(&btt->nd_btt->dev, btt->btt_disk, NULL);
+       rc = device_add_disk(&btt->nd_btt->dev, btt->btt_disk, NULL);
+       if (rc)
+               goto out_cleanup_disk;
 
        btt->nd_btt->size = btt->nlba * (u64)btt->sector_size;
        nvdimm_check_and_set_ro(btt->btt_disk);