From patchwork Tue Aug 23 07:21:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Verma, Vishal L" X-Patchwork-Id: 12951791 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id ED814C32793 for ; Tue, 23 Aug 2022 07:21:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240675AbiHWHVV (ORCPT ); Tue, 23 Aug 2022 03:21:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54244 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240646AbiHWHVU (ORCPT ); Tue, 23 Aug 2022 03:21:20 -0400 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1625B61D9A for ; Tue, 23 Aug 2022 00:21:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1661239280; x=1692775280; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8rJ8gEEBtVLYGXTt1L5arjJ8aeJKmNlD+4PYtRRCVes=; b=YA1GT5aP4qJZkeZOrAmPIh1ttpCvQkyYe3rE7MxX33bHUUWbOmpKQ2M3 KVtELmTz1VKNzUCvOME0We6vC+C4lDG2lukd/u3rEMub3Qod3R0tsiSAh jQiNp39Jk+2CaAmNJN0ejR1bm1MmvemJhyZcZPJlUuvfWsM1KcU8VaLco 3B3cElfFNQj0Go+OvdO3rLqb12bppDeb0C1vsCpxajWAogGK/jjLdqNjs SPF4l8hJIPewzIefvSuTn5geiryGRZI0BNmOi+JlgpEctGbdtON80faxF bBgbXYv50Awc5MMPjPfBZrlYmqYPNOcnxDhszVaql8OfPqYshklMD2X5T g==; X-IronPort-AV: E=McAfee;i="6500,9779,10447"; a="273366246" X-IronPort-AV: E=Sophos;i="5.93,256,1654585200"; d="scan'208";a="273366246" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Aug 2022 00:21:11 -0700 X-IronPort-AV: E=Sophos;i="5.93,256,1654585200"; d="scan'208";a="735388590" Received: from skummith-mobl1.amr.corp.intel.com (HELO vverma7-desk1.intel.com) ([10.212.54.206]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Aug 2022 00:21:11 -0700 From: Vishal Verma To: Cc: , Dan Williams , Vishal Verma Subject: [ndctl PATCH 3/3] cxl/filter: Fix an uninitialized pointer dereference Date: Tue, 23 Aug 2022 01:21:06 -0600 Message-Id: <20220823072106.398076-4-vishal.l.verma@intel.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220823072106.398076-1-vishal.l.verma@intel.com> References: <20220823072106.398076-1-vishal.l.verma@intel.com> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=837; h=from:subject; bh=8rJ8gEEBtVLYGXTt1L5arjJ8aeJKmNlD+4PYtRRCVes=; b=owGbwMvMwCXGf25diOft7jLG02pJDMks9Y82rpzD9XiPz/5/vlEpvj4ZhrEnntescBLlLH+lvv2L 0NGTHaUsDGJcDLJiiix/93xkPCa3PZ8nMMERZg4rE8gQBi5OAZjIF26G//XTtos/2bts0aWdBZu67K u9vihHn/V2i10ef3njrovLT5cx/A/f9Wu7/eOY2Gv8V9hlvoaa1UXqhR/Srv4bxPg4/KrfeUYA X-Developer-Key: i=vishal.l.verma@intel.com; a=openpgp; fpr=F8682BE134C67A12332A2ED07AFA61BEA3B84DFF Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org Static analysis points out that there was a chance that 'jdecoder' could be used while uninitialized in walk_decoders(). Initialize it to NULL to avoid this. Cc: Dan Williams Signed-off-by: Vishal Verma --- cxl/filter.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/cxl/filter.c b/cxl/filter.c index 9a3de8c..56c6599 100644 --- a/cxl/filter.c +++ b/cxl/filter.c @@ -796,7 +796,7 @@ static void walk_decoders(struct cxl_port *port, struct cxl_filter_params *p, cxl_decoder_foreach(port, decoder) { const char *devname = cxl_decoder_get_devname(decoder); struct json_object *jchildregions = NULL; - struct json_object *jdecoder; + struct json_object *jdecoder = NULL; if (!p->decoders) goto walk_children;