From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751383AbdJAQmu (ORCPT ); Sun, 1 Oct 2017 12:42:50 -0400 Received: from mail-eopbgr00052.outbound.protection.outlook.com ([40.107.0.52]:32653 "EHLO EUR02-AM5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751251AbdJAQmr (ORCPT ); Sun, 1 Oct 2017 12:42:47 -0400 Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=yotamg@mellanox.com; Subject: Re: [PATCH][next] mlxsw: spectrum: fix uninitialized value in err To: Colin King , Jiri Pirko , Ido Schimmel , netdev@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org References: <20171001162735.8091-1-colin.king@canonical.com> From: Yotam Gigi Message-ID: <7f67b7bf-3cdf-c5e0-8075-549b91f930ab@mellanox.com> Date: Sun, 1 Oct 2017 19:42:34 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <20171001162735.8091-1-colin.king@canonical.com> Content-Type: text/plain; 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Also, the error return check on err and goto > to err: inside the for loop makes it impossible for err to be zero > at the end of the for loop, so we can remove the redundant err check > at the end of the loop. > > Detected by CoverityScan CID#1457207 ("Unitialized scalar value") Thanks for that! Reviewed-by: Yotam Gigi > > Fixes: c011ec1bbfd6 ("mlxsw: spectrum: Add the multicast routing offloading logic") > Signed-off-by: Colin Ian King > --- > drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c > index 09120259a45d..4aaf6ca1be7c 100644 > --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c > +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c > @@ -349,7 +349,7 @@ mlxsw_sp_mr_route4_create(struct mlxsw_sp_mr_table *mr_table, > { > struct mlxsw_sp_mr_route_vif_entry *rve, *tmp; > struct mlxsw_sp_mr_route *mr_route; > - int err; > + int err = 0; > int i; > > /* Allocate and init a new route and fill it with parameters */ > @@ -376,8 +376,6 @@ mlxsw_sp_mr_route4_create(struct mlxsw_sp_mr_table *mr_table, > } > } > mlxsw_sp_mr_route_ivif_link(mr_route, &mr_table->vifs[mfc->mfc_parent]); > - if (err) > - goto err; > > mr_route->route_action = mlxsw_sp_mr_route_action(mr_route); > return mr_route;