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[68.61.232.219]) by smtp.gmail.com with ESMTPSA id g70sm10595706qke.8.2020.11.23.12.08.22 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 23 Nov 2020 12:08:23 -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 0ANK8Mqe010426 for ; Mon, 23 Nov 2020 20:08:22 GMT Subject: [PATCH v3 50/85] NFSD: Replace READ* macros in nfsd4_decode_verify() From: Chuck Lever To: linux-nfs@vger.kernel.org Date: Mon, 23 Nov 2020 15:08:22 -0500 Message-ID: <160616210221.51996.4096838677421642494.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 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Signed-off-by: Chuck Lever --- fs/nfsd/nfs4xdr.c | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 6a6659e07eec..d4497be2c583 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -1370,20 +1370,27 @@ nfsd4_decode_setclientid_confirm(struct nfsd4_compoundargs *argp, struct nfsd4_s static __be32 nfsd4_decode_verify(struct nfsd4_compoundargs *argp, struct nfsd4_verify *verify) { - DECODE_HEAD; + __be32 *p, status; - if ((status = nfsd4_decode_bitmap(argp, verify->ve_bmval))) - goto out; + status = nfsd4_decode_bitmap4(argp, verify->ve_bmval, + ARRAY_SIZE(verify->ve_bmval)); + if (status) + return status; /* For convenience's sake, we compare raw xdr'd attributes in * nfsd4_proc_verify */ - READ_BUF(4); - verify->ve_attrlen = be32_to_cpup(p++); - READ_BUF(verify->ve_attrlen); - SAVEMEM(verify->ve_attrval, verify->ve_attrlen); + if (xdr_stream_decode_u32(argp->xdr, &verify->ve_attrlen) < 0) + return nfserr_bad_xdr; + p = xdr_inline_decode(argp->xdr, verify->ve_attrlen); + if (!p) + return nfserr_bad_xdr; + verify->ve_attrval = svcxdr_tmpalloc(argp, verify->ve_attrlen); + if (!verify->ve_attrval) + return nfserr_jukebox; + memcpy(verify->ve_attrval, p, verify->ve_attrlen); - DECODE_TAIL; + return nfs_ok; } static __be32