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Date: Mon, 11 Nov 2019 19:28:09 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org,
Navid Emamdoost <navid.emamdoost@...il.com>,
Saeed Mahameed <saeedm@...lanox.com>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.3 107/193] net/mlx5: prevent memory leak in mlx5_fpga_conn_create_cq
From: Navid Emamdoost <navid.emamdoost@...il.com>
[ Upstream commit c8c2a057fdc7de1cd16f4baa51425b932a42eb39 ]
In mlx5_fpga_conn_create_cq if mlx5_vector2eqn fails the allocated
memory should be released.
Fixes: 537a50574175 ("net/mlx5: FPGA, Add high-speed connection routines")
Signed-off-by: Navid Emamdoost <navid.emamdoost@...il.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c
index 4c50efe4e7f11..61021133029e6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c
@@ -464,8 +464,10 @@ static int mlx5_fpga_conn_create_cq(struct mlx5_fpga_conn *conn, int cq_size)
}
err = mlx5_vector2eqn(mdev, smp_processor_id(), &eqn, &irqn);
- if (err)
+ if (err) {
+ kvfree(in);
goto err_cqwq;
+ }
cqc = MLX5_ADDR_OF(create_cq_in, in, cq_context);
MLX5_SET(cqc, cqc, log_cq_size, ilog2(cq_size));
--
2.20.1
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