If find_next_devid fails, btrfs_init_new_device frees device but
 not device->name.

 This patch fixes it.

Signed-off-by: Jeff Mahoney <je...@suse.com>
---
 fs/btrfs/volumes.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1474,6 +1474,7 @@ int btrfs_init_new_device(struct btrfs_r
 
        ret = find_next_devid(root, &device->devid);
        if (ret) {
+               kfree(device->name);
                kfree(device);
                goto error;
        }

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