rbd: fetch object order before using it

[GitHub/LineageOS/android_kernel_samsung_universal7580.git] / drivers / block / rbd.c

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index cc7c60e8f277805c0dff71be8fbf49f26dbd8e1d..7c66173e2d83c84b2f7909c4dea703d38ee8297f 100644 (file)
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -4245,6 +4245,10 @@ static int rbd_dev_v2_header_info(struct rbd_device *rbd_dev)
 
        down_write(&rbd_dev->header_rwsem);
 
+       ret = rbd_dev_v2_image_size(rbd_dev);
+       if (ret)
+               goto out;
+
        if (first_time) {
                ret = rbd_dev_v2_header_onetime(rbd_dev);
                if (ret)
@@ -4278,10 +4282,6 @@ static int rbd_dev_v2_header_info(struct rbd_device *rbd_dev)
                                        "is EXPERIMENTAL!");
        }
 
-       ret = rbd_dev_v2_image_size(rbd_dev);
-       if (ret)
-               goto out;
-
        if (rbd_dev->spec->snap_id == CEPH_NOSNAP)
                if (rbd_dev->mapping.size != rbd_dev->header.image_size)
                        rbd_dev->mapping.size = rbd_dev->header.image_size;