From patchwork Mon Nov 23 20:09:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever III X-Patchwork-Id: 11926337 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=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 72C5CC6379D for ; Mon, 23 Nov 2020 20:10:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2651E20721 for ; Mon, 23 Nov 2020 20:10:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Wvr6uL29" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731416AbgKWUJu (ORCPT ); Mon, 23 Nov 2020 15:09:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42482 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728652AbgKWUJt (ORCPT ); Mon, 23 Nov 2020 15:09:49 -0500 Received: from mail-qk1-x744.google.com (mail-qk1-x744.google.com [IPv6:2607:f8b0:4864:20::744]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4117AC061A4D for ; Mon, 23 Nov 2020 12:09:49 -0800 (PST) Received: by mail-qk1-x744.google.com with SMTP id q5so18216782qkc.12 for ; Mon, 23 Nov 2020 12:09:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:from:to:date:message-id:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=P+qpi3cGFXou6Kf66J1L1VKL4vJuQ963lSpVMW2TZ+A=; b=Wvr6uL29sb2fceIDT4XXJ8WCHIg5NmxcbvDM4pb96Y0ifhAyFVoDo+qzRdh3NXX/I0 IyUaS8hYgDDMg9K6s+IzZneFiDpvtfLaY5gdEnfPkMCvALhMUNQ1RaQhTD3kGuAxUPj7 FfqvXgIOvQtaSagE6ECPNWL7fBmRjBc7N0adaUFXYzwgq4GszJwvLu5BD45+iMeRTYHs GOEGyClGBgnF3se3D08xEBC1dT4giaLxD+rNSuBPX5m8qQ7YznIPq9QKW3Sb/oxK4gni 8XN4jdo6oBUUp3/fJtqwGaeBLcgFAg26xsqMyJIGUucT2rEPkMSrDcqStMXs601CbUad oy1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:from:to:date:message-id :in-reply-to:references:user-agent:mime-version :content-transfer-encoding; bh=P+qpi3cGFXou6Kf66J1L1VKL4vJuQ963lSpVMW2TZ+A=; b=Uurp1+osSqbsm9BIbop6/0PieToXXHap/tl25uN5UO+Rvm8Z+5VPecJyC4QRSKi6rn 8QhS8XO12SEmcitvjG20OiSq93bECL0lGGh7mDXj1DLgRcrJx78y5I5t6QATi7hcWJE1 yHVgvnASR0eIDk/18JXpK9tl+dgzJ/UBV7FfoQP7KIiYB5X7Js8dULlO8a2PHgsH7WIB BT+QVGBb+qjMcZLdpbBZ08myWNTF3q4cV/Hl062+f3U6SGONBlFrtWXZ5gkPq1v9pts7 EXjgALgcNXxhqmELQm1VpGLu9i75i3nFL2qxOA68LDjzNBQrcIdPYMknF88nbQc1mKvy zmRw== X-Gm-Message-State: AOAM530NfZzXBMUqoEvP2WgMnXtDvm8T2MuPhsEicHM5NEteXx/NhRTu 4eWy9dTVUMXrJ4XDiUWKm6ScAgB6Jvc= X-Google-Smtp-Source: ABdhPJwnhlCAEi7hcIuT8RXc2JtAf9E8ZrtaYVFHpbUofCqek0X/xdPTnfJSZkG9E43I5n6STUgrbA== X-Received: by 2002:a37:2790:: with SMTP id n138mr1165583qkn.324.1606162188210; Mon, 23 Nov 2020 12:09:48 -0800 (PST) Received: from gateway.1015granger.net (c-68-61-232-219.hsd1.mi.comcast.net. [68.61.232.219]) by smtp.gmail.com with ESMTPSA id n9sm5513807qti.75.2020.11.23.12.09.47 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 23 Nov 2020 12:09:47 -0800 (PST) Sender: Chuck Lever Received: from klimt.1015granger.net (klimt.1015granger.net [192.168.1.55]) by gateway.1015granger.net (8.14.7/8.14.7) with ESMTP id 0ANK9kZY010474 for ; Mon, 23 Nov 2020 20:09:46 GMT Subject: [PATCH v3 66/85] NFSD: Replace READ* macros in nfsd4_decode_layoutget() From: Chuck Lever To: linux-nfs@vger.kernel.org Date: Mon, 23 Nov 2020 15:09:46 -0500 Message-ID: <160616218659.51996.9574327474130071630.stgit@klimt.1015granger.net> In-Reply-To: <160616177104.51996.14915419165992024951.stgit@klimt.1015granger.net> References: <160616177104.51996.14915419165992024951.stgit@klimt.1015granger.net> User-Agent: StGit/0.23-29-ga622f1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Signed-off-by: Chuck Lever --- fs/nfsd/nfs4xdr.c | 31 +++++++++++++++++-------------- 1 file changed, 17 insertions(+), 14 deletions(-) diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index febdc4b10e13..89b5b919beab 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -1844,24 +1844,27 @@ static __be32 nfsd4_decode_layoutget(struct nfsd4_compoundargs *argp, struct nfsd4_layoutget *lgp) { - DECODE_HEAD; - - READ_BUF(36); - lgp->lg_signal = be32_to_cpup(p++); - lgp->lg_layout_type = be32_to_cpup(p++); - lgp->lg_seg.iomode = be32_to_cpup(p++); - p = xdr_decode_hyper(p, &lgp->lg_seg.offset); - p = xdr_decode_hyper(p, &lgp->lg_seg.length); - p = xdr_decode_hyper(p, &lgp->lg_minlength); + __be32 status; - status = nfsd4_decode_stateid(argp, &lgp->lg_sid); + if (xdr_stream_decode_u32(argp->xdr, &lgp->lg_signal) < 0) + return nfserr_bad_xdr; + if (xdr_stream_decode_u32(argp->xdr, &lgp->lg_layout_type) < 0) + return nfserr_bad_xdr; + if (xdr_stream_decode_u32(argp->xdr, &lgp->lg_seg.iomode) < 0) + return nfserr_bad_xdr; + if (xdr_stream_decode_u64(argp->xdr, &lgp->lg_seg.offset) < 0) + return nfserr_bad_xdr; + if (xdr_stream_decode_u64(argp->xdr, &lgp->lg_seg.length) < 0) + return nfserr_bad_xdr; + if (xdr_stream_decode_u64(argp->xdr, &lgp->lg_minlength) < 0) + return nfserr_bad_xdr; + status = nfsd4_decode_stateid4(argp, &lgp->lg_sid); if (status) return status; + if (xdr_stream_decode_u32(argp->xdr, &lgp->lg_maxcount) < 0) + return nfserr_bad_xdr; - READ_BUF(4); - lgp->lg_maxcount = be32_to_cpup(p++); - - DECODE_TAIL; + return nfs_ok; } static __be32