From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Sat, 29 Sep 2018 03:55:16 +0000
Subject: IB/mthca: Fix error return code in __mthca_init_one()
Patch-mainline: v4.20-rc1
Git-commit: 39f2495618c5e980d2873ea3f2d1877dd253e07a
References: bsc#1103992 FATE#326009

Fix to return a negative error code from the mthca_cmd_init() error
handling case instead of 0, as done elsewhere in this function.

Fixes: 80fd8238734c ("[PATCH] IB/mthca: Encapsulate command interface init")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/hw/mthca/mthca_main.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -986,7 +986,8 @@ static int __mthca_init_one(struct pci_d
 		goto err_free_dev;
 	}
 
-	if (mthca_cmd_init(mdev)) {
+	err = mthca_cmd_init(mdev);
+	if (err) {
 		mthca_err(mdev, "Failed to init command interface, aborting.\n");
 		goto err_free_dev;
 	}