From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 3 Oct 2017 13:53:41 +0300
Subject: mlxsw: spectrum: Add missing error code on allocation failure
Patch-mainline: v4.15-rc1
Git-commit: b5c7d4e54c9ab830e5c03f92377fe15cbae64d0d
References: bsc#1112374
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.carpenter@oracle.com>
Acked-by: Yotam Gigi <yotamg@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/mellanox/mlxsw/spectrum_mr_tcam.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr_tcam.c
@@ -771,8 +771,10 @@ mlxsw_sp_mr_tcam_region_init(struct mlxs
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++)