From patchwork Fri Aug 11 12:08:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Przemek Kitszel X-Patchwork-Id: 13350756 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 09E1712B65 for ; Fri, 11 Aug 2023 12:11:14 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30060E55; Fri, 11 Aug 2023 05:11:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1691755874; x=1723291874; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=5ICqtGaIKb34c4cygMFH/ekn4DHFgMuzIFwY2H+IcbU=; b=lTxckpOkFW9oF+VMERbFkNlbsieY8/O9RmQhCy8hj9cCQz6GXIHqpera uJy44RhP8QkqppDhtGFcqqKGqZK71qx2frEy0jvAQrhNRpr2bBDCl7y85 F/MnhUtQUvZFdosWtWo1cvqTvkr5HjrzkUmD5ax+wiDT547BddmGvG0fp Ool8CifnhyLoP6ADzKh4bnVd4VF6PT+UPldysUWsUWOyFJ2Xtzm3ZGoGs /kEyGB/BSZcYx+5iNidKH6nBD223hAlf1q8jXawYuyhgLH/rOg3jxyRKa JRV8noWf/g/ccGvqvo7qM88XrWHzp/XwwboEhhi162/yrkT6c92z28Ki+ A==; X-IronPort-AV: E=McAfee;i="6600,9927,10798"; a="438002121" X-IronPort-AV: E=Sophos;i="6.01,165,1684825200"; d="scan'208";a="438002121" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Aug 2023 05:11:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10798"; a="906421890" X-IronPort-AV: E=Sophos;i="6.01,165,1684825200"; d="scan'208";a="906421890" Received: from irvmail002.ir.intel.com ([10.43.11.120]) by orsmga005.jf.intel.com with ESMTP; 11 Aug 2023 05:11:11 -0700 Received: from pelor.igk.intel.com (pelor.igk.intel.com [10.123.220.13]) by irvmail002.ir.intel.com (Postfix) with ESMTP id F3B41333E2; Fri, 11 Aug 2023 13:11:09 +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 v2 4/7] ice: make use of DEFINE_FLEX() in ice_ddp.c Date: Fri, 11 Aug 2023 08:08:11 -0400 Message-Id: <20230811120814.169952-5-przemyslaw.kitszel@intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230811120814.169952-1-przemyslaw.kitszel@intel.com> References: <20230811120814.169952-1-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,URIBL_BLOCKED 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 constant-num-of-elems (4) flex array members of ice_ddp.c Signed-off-by: Przemek Kitszel --- add/remove: 4/0 grow/shrink: 0/1 up/down: 1195/-878 (317) --- drivers/net/ethernet/intel/ice/ice_ddp.c | 39 +++++++----------------- 1 file changed, 11 insertions(+), 28 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_ddp.c b/drivers/net/ethernet/intel/ice/ice_ddp.c index d71ed210f9c4..0e64ecd6f7c5 100644 --- a/drivers/net/ethernet/intel/ice/ice_ddp.c +++ b/drivers/net/ethernet/intel/ice/ice_ddp.c @@ -1558,21 +1558,14 @@ static enum ice_ddp_state ice_init_pkg_info(struct ice_hw *hw, */ static enum ice_ddp_state ice_get_pkg_info(struct ice_hw *hw) { - enum ice_ddp_state state = ICE_DDP_PKG_SUCCESS; - struct ice_aqc_get_pkg_info_resp *pkg_info; - u16 size; + DEFINE_FLEX(struct ice_aqc_get_pkg_info_resp, pkg_info, pkg_info, + ICE_PKG_CNT); + u16 size = __struct_size(pkg_info); u32 i; - size = struct_size(pkg_info, pkg_info, ICE_PKG_CNT); - pkg_info = kzalloc(size, GFP_KERNEL); - if (!pkg_info) + if (ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL)) return ICE_DDP_PKG_ERR; - if (ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL)) { - state = ICE_DDP_PKG_ERR; - goto init_pkg_free_alloc; - } - for (i = 0; i < le32_to_cpu(pkg_info->count); i++) { #define ICE_PKG_FLAG_COUNT 4 char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 }; @@ -1602,10 +1595,7 @@ static enum ice_ddp_state ice_get_pkg_info(struct ice_hw *hw) pkg_info->pkg_info[i].name, flags); } -init_pkg_free_alloc: - kfree(pkg_info); - - return state; + return ICE_DDP_PKG_SUCCESS; } /** @@ -1620,9 +1610,10 @@ static enum ice_ddp_state ice_chk_pkg_compat(struct ice_hw *hw, struct ice_pkg_hdr *ospkg, struct ice_seg **seg) { - struct ice_aqc_get_pkg_info_resp *pkg; + DEFINE_FLEX(struct ice_aqc_get_pkg_info_resp, pkg, pkg_info, + ICE_PKG_CNT); + u16 size = __struct_size(pkg); enum ice_ddp_state state; - u16 size; u32 i; /* Check package version compatibility */ @@ -1641,15 +1632,8 @@ static enum ice_ddp_state ice_chk_pkg_compat(struct ice_hw *hw, } /* Check if FW is compatible with the OS package */ - size = struct_size(pkg, pkg_info, ICE_PKG_CNT); - pkg = kzalloc(size, GFP_KERNEL); - if (!pkg) - return ICE_DDP_PKG_ERR; - - if (ice_aq_get_pkg_info_list(hw, pkg, size, NULL)) { - state = ICE_DDP_PKG_LOAD_ERROR; - goto fw_ddp_compat_free_alloc; - } + if (ice_aq_get_pkg_info_list(hw, pkg, size, NULL)) + return ICE_DDP_PKG_LOAD_ERROR; for (i = 0; i < le32_to_cpu(pkg->count); i++) { /* loop till we find the NVM package */ @@ -1666,8 +1650,7 @@ static enum ice_ddp_state ice_chk_pkg_compat(struct ice_hw *hw, /* done processing NVM package so break */ break; } -fw_ddp_compat_free_alloc: - kfree(pkg); + return state; }