netdev - [PATCH net-next] net/mlx5: check for allocation failure in mlx5_ft_pool

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Message-ID: <YLjNfHuTQ817oUtX@mwanda>
Date:   Thu, 3 Jun 2021 15:39:24 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Saeed Mahameed <saeedm@...dia.com>, Paul Blakey <paulb@...dia.com>
Cc:     Leon Romanovsky <leon@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH net-next] net/mlx5: check for allocation failure in
 mlx5_ft_pool_init()

Add a check for if the kzalloc() fails.

Fixes: 4a98544d1827 ("net/mlx5: Move chains ft pool to be used by all firmware steering")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/fs_ft_pool.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_ft_pool.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_ft_pool.c
index 526fbb669142..c14590acc772 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_ft_pool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_ft_pool.c
@@ -27,6 +27,8 @@ int mlx5_ft_pool_init(struct mlx5_core_dev *dev)
 	int i;
 
 	ft_pool = kzalloc(sizeof(*ft_pool), GFP_KERNEL);
+	if (!ft_pool)
+		return -ENOMEM;
 
 	for (i = ARRAY_SIZE(FT_POOLS) - 1; i >= 0; i--)
 		ft_pool->ft_left[i] = FT_SIZE / FT_POOLS[i];
-- 
2.30.2