[PATCH 9/9] s390/block/xpram: add error handling support for add_disk()

[Luis Chamberlain]

We never checked for errors on add_disk() as this function
returned void. Now that this is fixed, use the shiny new
error handling.

Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
---
 drivers/s390/block/xpram.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index ce98fab4d43c..ed3904b6a9c8 100644
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -371,7 +371,9 @@ static int __init xpram_setup_blkdev(void)
 		disk->private_data = &xpram_devices[i];
 		sprintf(disk->disk_name, "slram%d", i);
 		set_capacity(disk, xpram_sizes[i] << 1);
-		add_disk(disk);
+		rc = add_disk(disk);
+		if (rc)
+			goto out;
 	}
 
 	return 0;
-- 
2.30.2