linux-kernel - [PATCH 5.15 543/779] RDMA/mlx5: Add missing check for return value in get namespace flow

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Message-Id: <20220815180400.514895853@linuxfoundation.org>
Date:   Mon, 15 Aug 2022 20:03:07 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Itay Aveksis <itayav@...dia.com>,
        Maor Gottlieb <maorg@...dia.com>,
        Leon Romanovsky <leonro@...dia.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 543/779] RDMA/mlx5: Add missing check for return value in get namespace flow

From: Maor Gottlieb <maorg@...dia.com>

[ Upstream commit c9776457bd5eaad4ce4ecb17af8d8f3cc6957c0b ]

Add missing check for return value when calling to
mlx5_ib_ft_type_to_namespace, even though it can't really fail in this
specific call.

Fixes: 52438be44112 ("RDMA/mlx5: Allow inserting a steering rule to the FDB")
Link: https://lore.kernel.org/r/7b9ceda217d9368a51dc47a46b769bad4af9ac92.1659256069.git.leonro@nvidia.com
Reviewed-by: Itay Aveksis <itayav@...dia.com>
Signed-off-by: Maor Gottlieb <maorg@...dia.com>
Signed-off-by: Leon Romanovsky <leonro@...dia.com>
Signed-off-by: Jason Gunthorpe <jgg@...dia.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/infiniband/hw/mlx5/fs.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/infiniband/hw/mlx5/fs.c b/drivers/infiniband/hw/mlx5/fs.c
index 5fbc0a8454b9..8a7e182af530 100644
--- a/drivers/infiniband/hw/mlx5/fs.c
+++ b/drivers/infiniband/hw/mlx5/fs.c
@@ -2078,12 +2078,10 @@ static int mlx5_ib_matcher_ns(struct uverbs_attr_bundle *attrs,
 		if (err)
 			return err;
 
-		if (flags) {
-			mlx5_ib_ft_type_to_namespace(
+		if (flags)
+			return mlx5_ib_ft_type_to_namespace(
 				MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX,
 				&obj->ns_type);
-			return 0;
-		}
 	}
 
 	obj->ns_type = MLX5_FLOW_NAMESPACE_BYPASS;
-- 
2.35.1