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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 EDA35CA9EC9 for ; Mon, 4 Nov 2019 22:17:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BAB19204FD for ; Mon, 4 Nov 2019 22:17:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572905870; bh=QziZ4j+8RK8f2BmIJU3EU/bYyEBqCTLtXBLdOT5SdDc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=kUTN3L7DMGtNZuRR7HlG/KXnr6qfCTNKtoVmrlvEg5OkOBGYwuXqQsXMaT4sSoKwH t7hI/lTIrxkcUQVxFjnIXzUJYxHNuujHs2HDTQmCLM0KUNI+UUkDZCbqxdZv7O2AwF DC7HUT/CFW7AjFQOc3RGhdLhj9tDiY2wuSAwxoJc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388341AbfKDWRq (ORCPT ); Mon, 4 Nov 2019 17:17:46 -0500 Received: from mail.kernel.org ([198.145.29.99]:60676 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389281AbfKDWCX (ORCPT ); Mon, 4 Nov 2019 17:02:23 -0500 Received: from localhost (6.204-14-84.ripe.coltfrance.com [84.14.204.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D1076217F4; Mon, 4 Nov 2019 22:02:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572904942; bh=QziZ4j+8RK8f2BmIJU3EU/bYyEBqCTLtXBLdOT5SdDc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eyUkSZhqiQaLWSmLJgYU+HZnl0yz/G9JFou+uKQXx1c5oU2pfsIWOrVwQ7Xd0vn3T lK3ZrYxD3mzEKaEOd1PgxR8kiaQ93TcRNIvh21ZSmOfZ2aeGoFZBqMd8UW5uxikVXk 2TI2aHGIt6hz2Uc/YZoJFvrdC0xzE6XUthv171As= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Varun Prakash , Nicholas Bellinger , Dan Carpenter , Bart Van Assche , "Martin K. Petersen" Subject: [PATCH 4.19 122/149] scsi: target: cxgbit: Fix cxgbit_fw4_ack() Date: Mon, 4 Nov 2019 22:45:15 +0100 Message-Id: <20191104212144.845622925@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191104212126.090054740@linuxfoundation.org> References: <20191104212126.090054740@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Bart Van Assche commit fc5b220b2dcf8b512d9bd46fd17f82257e49bf89 upstream. Use the pointer 'p' after having tested that pointer instead of before. Fixes: 5cadafb236df ("target/cxgbit: Fix endianness annotations") Cc: Varun Prakash Cc: Nicholas Bellinger Cc: Link: https://lore.kernel.org/r/20191023202150.22173-1-bvanassche@acm.org Reported-by: Dan Carpenter Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/target/iscsi/cxgbit/cxgbit_cm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/target/iscsi/cxgbit/cxgbit_cm.c +++ b/drivers/target/iscsi/cxgbit/cxgbit_cm.c @@ -1832,7 +1832,7 @@ static void cxgbit_fw4_ack(struct cxgbit while (credits) { struct sk_buff *p = cxgbit_sock_peek_wr(csk); - const u32 csum = (__force u32)p->csum; + u32 csum; if (unlikely(!p)) { pr_err("csk 0x%p,%u, cr %u,%u+%u, empty.\n", @@ -1841,6 +1841,7 @@ static void cxgbit_fw4_ack(struct cxgbit break; } + csum = (__force u32)p->csum; if (unlikely(credits < csum)) { pr_warn("csk 0x%p,%u, cr %u,%u+%u, < %u.\n", csk, csk->tid,