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net/mlx5e: Fix error flow cleanup in mlx5e_tc_tun_create_header_ipv4/6 

Be sure to release the neighbour in case of failures after successful
route lookup.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eli Cohen 2019-10-31 09:00:43 +02:00 committed by Saeed Mahameed
parent e6014afd1c
commit 85bf490af1
1 changed files with 12 additions and 6 deletions
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18
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
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@ -239,12 +239,15 @@ int mlx5e_tc_tun_create_header_ipv4(struct mlx5e_priv *priv,
if (max_encap_size < ipv4_encap_size) {
mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n",
ipv4_encap_size, max_encap_size);
return -EOPNOTSUPP;
err = -EOPNOTSUPP;
goto out;
}
encap_header = kzalloc(ipv4_encap_size, GFP_KERNEL);
if (!encap_header)
return -ENOMEM;
if (!encap_header) {
err = -ENOMEM;
goto out;
}
/* used by mlx5e_detach_encap to lookup a neigh hash table
* entry in the neigh hash table when a user deletes a rule
@ -355,12 +358,15 @@ int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
if (max_encap_size < ipv6_encap_size) {
mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n",
ipv6_encap_size, max_encap_size);
return -EOPNOTSUPP;
err = -EOPNOTSUPP;
goto out;
}
encap_header = kzalloc(ipv6_encap_size, GFP_KERNEL);
if (!encap_header)
return -ENOMEM;
if (!encap_header) {
err = -ENOMEM;
goto out;
}
/* used by mlx5e_detach_encap to lookup a neigh hash table
* entry in the neigh hash table when a user deletes a rule