From mboxrd@z Thu Jan 1 00:00:00 1970 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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 9B316C04FE5 for ; Mon, 12 Apr 2021 09:31:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 864606121F for ; Mon, 12 Apr 2021 09:31:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242090AbhDLJ1Q (ORCPT ); Mon, 12 Apr 2021 05:27:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:54840 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239736AbhDLJD4 (ORCPT ); Mon, 12 Apr 2021 05:03:56 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id DF3F161357; Mon, 12 Apr 2021 09:01:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1618218082; bh=zzhZFaNYPkumHGYSrHmgvbBxq6kUTTi2KdxTiGDvNqE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=taQwpy3QEA2freQHYREbc84chSg6KoHp20hJAAsmB10ZF19T/JI0RlbAcBplPwlPY Fj4tvSpuOPVsByURfthLZXd0hX6//VVjGkqFKMgupAR6v8O2v5q1NuGWRTlUBAugf9 vN07NebcCEklpKt75uHElIKYEa+J0EkwgNaQ5w4I= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Aleksandr Loktionov , Arkadiusz Kubalewski , Dave Switzer , Tony Nguyen Subject: [PATCH 5.11 065/210] i40e: Fix sparse error: uninitialized symbol ring Date: Mon, 12 Apr 2021 10:39:30 +0200 Message-Id: <20210412084018.163779729@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210412084016.009884719@linuxfoundation.org> References: <20210412084016.009884719@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arkadiusz Kubalewski commit d6d04ee6d2c9bb5084c8f6074195d6aa0024e825 upstream. Init pointer with NULL in default switch case statement. Previously the error was produced when compiling against sparse. i40e_debugfs.c:582 i40e_dbg_dump_desc() error: uninitialized symbol 'ring'. Fixes: 44ea803e2fa7 ("i40e: introduce new dump desc XDP command") Signed-off-by: Aleksandr Loktionov Signed-off-by: Arkadiusz Kubalewski Tested-by: Dave Switzer Signed-off-by: Tony Nguyen Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/intel/i40e/i40e_debugfs.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c +++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c @@ -578,6 +578,9 @@ static void i40e_dbg_dump_desc(int cnt, case RING_TYPE_XDP: ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL); break; + default: + ring = NULL; + break; } if (!ring) return;