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path: root/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 41259c0004d1..99015dca86c9 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -2282,6 +2282,7 @@ static void mlxsw_sp_router_neigh_ent_ipv4_process(struct mlxsw_sp *mlxsw_sp,
char *rauhtd_pl,
int ent_index)
{
+ u64 max_rifs = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS);
struct net_device *dev;
struct neighbour *n;
__be32 dipn;
@@ -2290,6 +2291,8 @@ static void mlxsw_sp_router_neigh_ent_ipv4_process(struct mlxsw_sp *mlxsw_sp,
mlxsw_reg_rauhtd_ent_ipv4_unpack(rauhtd_pl, ent_index, &rif, &dip);
+ if (WARN_ON_ONCE(rif >= max_rifs))
+ return;
if (!mlxsw_sp->router->rifs[rif]) {
dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Incorrect RIF in neighbour entry\n");
return;