From patchwork Thu Nov 24 10:37:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kumar, M Chetan" X-Patchwork-Id: 13054817 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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A82DAC43219 for ; Thu, 24 Nov 2022 10:39:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229677AbiKXKjK (ORCPT ); Thu, 24 Nov 2022 05:39:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33084 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229436AbiKXKjJ (ORCPT ); Thu, 24 Nov 2022 05:39:09 -0500 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 226AF205E8 for ; Thu, 24 Nov 2022 02:39:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669286349; x=1700822349; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=gK9lJEPQhoeKGmn0SLkYFb/fwQG86BGbl4bBaAYLIFs=; b=Z8FRdpPqhu8Ymu3l9Aarq44o/ozQItYfL8vwZheeD1DlrbsoYTDg1Zp0 WPvG+1zqbvcR8P+ME2gfLrJ5x035uVebrkESpu9fEk5j+wPPIxSVrO813 SuJF3ACkbVIDpL7WSP95cWpZ0RkX/NVTUWf0BTm1/3/kMIDT00aX4znyp JBkDyaKsS9e+cNLpawrLC2qo/3EnJDysbALCu1w04idzv3XPtjH4axtBX AXPlw1liU+TesvLn7K1CoAFANLnV3yTWsffDIrjTJIkJ/qnKBnIv7/VPR KyBnlPsIhlaSum1UyNx9JeuM0eidIoL0FJlAhiF6/JdRqYKqCFnxY2DrW A==; X-IronPort-AV: E=McAfee;i="6500,9779,10540"; a="400566435" X-IronPort-AV: E=Sophos;i="5.96,190,1665471600"; d="scan'208";a="400566435" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2022 02:37:57 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10540"; a="887327832" X-IronPort-AV: E=Sophos;i="5.96,190,1665471600"; d="scan'208";a="887327832" Received: from bswcg005.iind.intel.com ([10.224.174.166]) by fmsmga006.fm.intel.com with ESMTP; 24 Nov 2022 02:37:54 -0800 From: m.chetan.kumar@linux.intel.com To: netdev@vger.kernel.org Cc: kuba@kernel.org, davem@davemloft.net, johannes@sipsolutions.net, ryazanov.s.a@gmail.com, loic.poulain@linaro.org, m.chetan.kumar@intel.com, linuxwwan@intel.com, edumazet@google.com, pabeni@redhat.com, M Chetan Kumar , kernel test robot Subject: [PATCH v2 net 1/4] net: wwan: iosm: fix kernel test robot reported error Date: Thu, 24 Nov 2022 16:07:46 +0530 Message-Id: <20221124103746.1445987-1-m.chetan.kumar@linux.intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: M Chetan Kumar sparse warnings - iosm_ipc_mux_codec.c:1474 using plain integer as NULL pointer. Use skb_trim() to reset skb tail & len. Fixes: 9413491e20e1 ("net: iosm: encode or decode datagram") Reported-by: kernel test robot Signed-off-by: M Chetan Kumar --- v2: No Change. --- drivers/net/wwan/iosm/iosm_ipc_mux_codec.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c index d41e373f9c0a..c16365123660 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c +++ b/drivers/net/wwan/iosm/iosm_ipc_mux_codec.c @@ -1471,8 +1471,7 @@ void ipc_mux_ul_encoded_process(struct iosm_mux *ipc_mux, struct sk_buff *skb) ipc_mux->ul_data_pend_bytes); /* Reset the skb settings. */ - skb->tail = 0; - skb->len = 0; + skb_trim(skb, 0); /* Add the consumed ADB to the free list. */ skb_queue_tail((&ipc_mux->ul_adb.free_list), skb);