From patchwork Thu Aug 10 10:35:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Przemek Kitszel X-Patchwork-Id: 13349226 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6DE021F958 for ; Thu, 10 Aug 2023 10:38:47 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6876510E6; Thu, 10 Aug 2023 03:38:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1691663926; x=1723199926; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=BF7cE5dz2JhMGxpxJeiyh6dv9ygPGiyynieI2gJHd/Y=; b=hOAGCY0GcwlSnFL6Xdwk/a9MVdtJbdW6Qa1Uw/74FzVFbGV3IUdXMb1Y WpIStrJ8k8WAVIYi9JLVC7RTxNdRfgkQY8l3BHV1GJIhkwTfc2C3OVK+a cZXEiiwlAAYFf/KwpIRVDLwwuk0FgJ1nJ8zfg82beIHmuAm7BQ+fzB6rX jUqUmhsP0xfFwN7LjiuF5masvVCyuSWzw39stD7oJPT0aBAqDV2uTzjRQ /3nl5afsvXPjQ8zyopbx6npMzgjmeeTOCTfg3W5Sn/8w4oFCBxlXrsGRO HxmIV/3SN5YFh+TLSHKUVblfkRpPhOKB4aT5Txd9hcwXGD58OPLADTxf9 A==; X-IronPort-AV: E=McAfee;i="6600,9927,10797"; a="370260824" X-IronPort-AV: E=Sophos;i="6.01,162,1684825200"; d="scan'208";a="370260824" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Aug 2023 03:38:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10797"; a="767237177" X-IronPort-AV: E=Sophos;i="6.01,162,1684825200"; d="scan'208";a="767237177" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by orsmga001.jf.intel.com with ESMTP; 10 Aug 2023 03:38:43 -0700 Received: from pelor.igk.intel.com (pelor.igk.intel.com [10.123.220.13]) by irvmail002.ir.intel.com (Postfix) with ESMTP id 39EBE340DA; Thu, 10 Aug 2023 11:38:43 +0100 (IST) From: Przemek Kitszel To: Kees Cook , netdev@vger.kernel.org Cc: Jacob Keller , intel-wired-lan@lists.osuosl.org, Alexander Lobakin , linux-hardening@vger.kernel.org, Steven Zou , Przemek Kitszel Subject: [PATCH net-next v1 6/7] ice: make use of DEFINE_FLEX() for struct ice_aqc_dis_txq_item Date: Thu, 10 Aug 2023 06:35:08 -0400 Message-Id: <20230810103509.163225-7-przemyslaw.kitszel@intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230810103509.163225-1-przemyslaw.kitszel@intel.com> References: <20230810103509.163225-1-przemyslaw.kitszel@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org Use DEFINE_FLEX() macro for 1-elem flex array use case of struct ice_aqc_dis_txq_item. Signed-off-by: Przemek Kitszel --- add/remove: 0/0 grow/shrink: 1/1 up/down: 9/-18 (-9) --- drivers/net/ethernet/intel/ice/ice_common.c | 20 ++++---------------- 1 file changed, 4 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c index a86255b529a0..ca30316d70a4 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.c +++ b/drivers/net/ethernet/intel/ice/ice_common.c @@ -4734,11 +4734,11 @@ ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues, enum ice_disq_rst_src rst_src, u16 vmvf_num, struct ice_sq_cd *cd) { - struct ice_aqc_dis_txq_item *qg_list; + DEFINE_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1); + u16 i, buf_size = const_flex_size(qg_list); struct ice_q_ctx *q_ctx; int status = -ENOENT; struct ice_hw *hw; - u16 i, buf_size; if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY) return -EIO; @@ -4756,11 +4756,6 @@ ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues, return -EIO; } - buf_size = struct_size(qg_list, q_id, 1); - qg_list = kzalloc(buf_size, GFP_KERNEL); - if (!qg_list) - return -ENOMEM; - mutex_lock(&pi->sched_lock); for (i = 0; i < num_queues; i++) { @@ -4793,7 +4788,6 @@ ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues, q_ctx->q_teid = ICE_INVAL_TEID; } mutex_unlock(&pi->sched_lock); - kfree(qg_list); return status; } @@ -4962,22 +4956,17 @@ int ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid, u16 *q_id) { - struct ice_aqc_dis_txq_item *qg_list; + DEFINE_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1); + u16 qg_size = const_flex_size(qg_list); struct ice_hw *hw; int status = 0; - u16 qg_size; int i; if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY) return -EIO; hw = pi->hw; - qg_size = struct_size(qg_list, q_id, 1); - qg_list = kzalloc(qg_size, GFP_KERNEL); - if (!qg_list) - return -ENOMEM; - mutex_lock(&pi->sched_lock); for (i = 0; i < count; i++) { @@ -5002,7 +4991,6 @@ ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid, } mutex_unlock(&pi->sched_lock); - kfree(qg_list); return status; }