[PATCH 2/2 net-next] mlxsw: spectrum: Add missing error code on allocation failure

[Dan Carpenter]

We accidentally return success if the kmalloc_array() call fails.

Fixes: 0e14c7777acb ("mlxsw: spectrum: Add the multicast routing hardware 
logic")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr_tcam.c 
b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr_tcam.c
index 5e4ccbf17e3d..839eadf0765b 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr_tcam.c
@@ -763,8 +763,10 @@ mlxsw_sp_mr_tcam_region_init(struct mlxsw_sp *mlxsw_sp,
 
        parman_prios = kmalloc_array(MLXSW_SP_MR_ROUTE_PRIO_MAX + 1,
                                     sizeof(*parman_prios), GFP_KERNEL);
-       if (!parman_prios)
+       if (!parman_prios) {
+               err = -ENOMEM;
                goto err_parman_prios_alloc;
+       }
        mr_tcam_region->parman_prios = parman_prios;
 
        for (i = 0; i < MLXSW_SP_MR_ROUTE_PRIO_MAX + 1; i++)