IB/core: Change roce_rescan_device to return void

It always returns 0. Change return type to void.
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/core/cache.c

@@ -821,12 +821,7 @@ static int gid_table_setup_one(struct ib_device *ib_dev)
 	if (err)
 		return err;
 
-	err = roce_rescan_device(ib_dev);
-
-	if (err) {
-		gid_table_cleanup_one(ib_dev);
-		gid_table_release_one(ib_dev);
-	}
+	roce_rescan_device(ib_dev);
 
 	return err;
 }

drivers/infiniband/core/core_priv.h

@@ -137,7 +137,7 @@ int ib_cache_gid_del_all_netdev_gids(struct ib_device *ib_dev, u8 port,
 int roce_gid_mgmt_init(void);
 void roce_gid_mgmt_cleanup(void);
 
-int roce_rescan_device(struct ib_device *ib_dev);
+void roce_rescan_device(struct ib_device *ib_dev);
 unsigned long roce_gid_type_mask_support(struct ib_device *ib_dev, u8 port);
 
 int ib_cache_setup_one(struct ib_device *device);

drivers/infiniband/core/roce_gid_mgmt.c

@@ -412,12 +412,10 @@ static void enum_all_gids_of_dev_cb(struct ib_device *ib_dev,
 
 /* This function will rescan all of the network devices in the system
  * and add their gids, as needed, to the relevant RoCE devices. */
-int roce_rescan_device(struct ib_device *ib_dev)
+void roce_rescan_device(struct ib_device *ib_dev)
 {
 	ib_enum_roce_netdev(ib_dev, pass_all_filter, NULL,
 			    enum_all_gids_of_dev_cb, NULL);
-
-	return 0;
 }
 
 static void callback_for_addr_gid_device_scan(struct ib_device *device,