[PATCH] block/rnbd: server: Fix error return code in rnbd_srv_create_dev_sysfs()

[Wang ShaoBo]

Fix to return -ENOMEM error code from the error handling case where
kobject_create_and_add() failed instead of 0 in rnbd_srv_create_dev_sysfs(),
as done elsewhere in this function.

Signed-off-by: Wang ShaoBo <bobo.shaobow...@huawei.com>
---
 drivers/block/rnbd/rnbd-srv-sysfs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/block/rnbd/rnbd-srv-sysfs.c 
b/drivers/block/rnbd/rnbd-srv-sysfs.c
index 106775c074d1..5ba1a31ad626 100644
--- a/drivers/block/rnbd/rnbd-srv-sysfs.c
+++ b/drivers/block/rnbd/rnbd-srv-sysfs.c
@@ -52,8 +52,10 @@ int rnbd_srv_create_dev_sysfs(struct rnbd_srv_dev *dev,
 
        dev->dev_sessions_kobj = kobject_create_and_add("sessions",
                                                        &dev->dev_kobj);
-       if (!dev->dev_sessions_kobj)
+       if (!dev->dev_sessions_kobj) {
+               ret = -ENOMEM;
                goto put_dev_kobj;
+       }
 
        bdev_kobj = &disk_to_dev(bdev->bd_disk)->kobj;
        ret = sysfs_create_link(&dev->dev_kobj, bdev_kobj, "block_dev");
-- 
2.17.1