hinic: uninitialized variable in hinic_api_cmd_init()

We never set the error code in this function.

Fixes: eabf0fad81 ("net-next/hinic: Initialize api cmd resources")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/huawei/hinic/hinic_hw_api_cmd.c

@@ -941,6 +941,7 @@ int hinic_api_cmd_init(struct hinic_api_cmd_chain **chain,
 		if (IS_ERR(chain[chain_type])) {
 			dev_err(&pdev->dev, "Failed to create chain %d\n",
 				chain_type);
+			err = PTR_ERR(chain[chain_type]);
 			goto err_create_chain;
 		}
 	}