From patchwork Mon Mar 29 20:18:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Tony Nguyen X-Patchwork-Id: 12170941 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50828C433E2 for ; Mon, 29 Mar 2021 20:18:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1F11661959 for ; Mon, 29 Mar 2021 20:18:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231917AbhC2USI (ORCPT ); Mon, 29 Mar 2021 16:18:08 -0400 Received: from mga18.intel.com ([134.134.136.126]:19969 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231709AbhC2UR2 (ORCPT ); Mon, 29 Mar 2021 16:17:28 -0400 IronPort-SDR: b/79sJKGZvjWjJAz6eitkLF7IdlNpGPn1dRBD/Xkv3AsC+2SfVP9RDLjOMV/lTcuyBvs4Afc+Z 1T1ChiRZBa9A== X-IronPort-AV: E=McAfee;i="6000,8403,9938"; a="179160822" X-IronPort-AV: E=Sophos;i="5.81,288,1610438400"; d="scan'208";a="179160822" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2021 13:17:26 -0700 IronPort-SDR: smseh8th5sAXL98A2G8C8lb0KPhCJ8uHmHD49ahtcendx9/sgfDs1fXKRM66KP8hh4aMdost6e HqBKyT0O0WVw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,288,1610438400"; d="scan'208";a="454700551" Received: from anguy11-desk2.jf.intel.com ([10.166.244.147]) by orsmga001.jf.intel.com with ESMTP; 29 Mar 2021 13:17:26 -0700 From: Tony Nguyen To: davem@davemloft.net, kuba@kernel.org Cc: =?utf-8?q?Jacek_Bu=C5=82atek?= , netdev@vger.kernel.org, sassmann@redhat.com, anthony.l.nguyen@intel.com, Haiyue Wang , Tony Brelinski Subject: [PATCH net 7/9] ice: Fix for dereference of NULL pointer Date: Mon, 29 Mar 2021 13:18:55 -0700 Message-Id: <20210329201857.3509461-8-anthony.l.nguyen@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210329201857.3509461-1-anthony.l.nguyen@intel.com> References: <20210329201857.3509461-1-anthony.l.nguyen@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Jacek Bułatek Add handling of allocation fault for ice_vsi_list_map_info. Also *fi should not be NULL pointer, it is a reference to raw data field, so remove this variable and use the reference directly. Fixes: 9daf8208dd4d ("ice: Add support for switch filter programming") Signed-off-by: Jacek Bułatek Co-developed-by: Haiyue Wang Signed-off-by: Haiyue Wang Tested-by: Tony Brelinski Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/ice/ice_switch.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c index 67c965a3f5d2..387d3f6cd71e 100644 --- a/drivers/net/ethernet/intel/ice/ice_switch.c +++ b/drivers/net/ethernet/intel/ice/ice_switch.c @@ -1238,6 +1238,9 @@ ice_add_update_vsi_list(struct ice_hw *hw, ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2, vsi_list_id); + if (!m_entry->vsi_list_info) + return ICE_ERR_NO_MEMORY; + /* If this entry was large action then the large action needs * to be updated to point to FWD to VSI list */ @@ -2220,6 +2223,7 @@ ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle) return ((fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI && fm_entry->fltr_info.vsi_handle == vsi_handle) || (fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI_LIST && + fm_entry->vsi_list_info && (test_bit(vsi_handle, fm_entry->vsi_list_info->vsi_map)))); } @@ -2292,14 +2296,12 @@ ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle, return ICE_ERR_PARAM; list_for_each_entry(fm_entry, lkup_list_head, list_entry) { - struct ice_fltr_info *fi; - - fi = &fm_entry->fltr_info; - if (!fi || !ice_vsi_uses_fltr(fm_entry, vsi_handle)) + if (!ice_vsi_uses_fltr(fm_entry, vsi_handle)) continue; status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle, - vsi_list_head, fi); + vsi_list_head, + &fm_entry->fltr_info); if (status) return status; }