From: Qiushi Wu <wu000...@umn.edu>

kobject_init_and_add() takes reference even when it fails.
If this function returns an error, kobject_put() must be called to
properly clean up the memory associated with the object. Previous
commit "b8eb718348b8" fixed a similar problem.

Signed-off-by: Qiushi Wu <wu000...@umn.edu>
---
 drivers/infiniband/core/sysfs.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index 087682e6969e..defe9cd4c5ee 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -1058,8 +1058,7 @@ static int add_port(struct ib_core_device *coredev, int 
port_num)
                                   coredev->ports_kobj,
                                   "%d", port_num);
        if (ret) {
-               kfree(p);
-               return ret;
+               goto err_put;
        }
 
        p->gid_attr_group = kzalloc(sizeof(*p->gid_attr_group), GFP_KERNEL);
@@ -1072,8 +1071,7 @@ static int add_port(struct ib_core_device *coredev, int 
port_num)
        ret = kobject_init_and_add(&p->gid_attr_group->kobj, &gid_attr_type,
                                   &p->kobj, "gid_attrs");
        if (ret) {
-               kfree(p->gid_attr_group);
-               goto err_put;
+               goto err_put_gid_attrs;
        }
 
        if (device->ops.process_mad && is_full_dev) {
@@ -1404,8 +1402,10 @@ int ib_port_register_module_stat(struct ib_device 
*device, u8 port_num,
 
                ret = kobject_init_and_add(kobj, ktype, &port->kobj, "%s",
                                           name);
-               if (ret)
+               if (ret) {
+                       kobject_put(kobj);
                        return ret;
+               }
        }
 
        return 0;
-- 
2.17.1

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