From: Kinglong Mee <kinglongmee@gmail.com>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
Christoph Hellwig <hch@lst.de>
Subject: [PATCH] NFSD: Take care the return value from nfsd4_decode_stateid
Date: Thu, 19 Mar 2015 19:04:41 +0800 [thread overview]
Message-ID: <550AAD49.2040906@gmail.com> (raw)
Return status after nfsd4_decode_stateid failed.
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
---
fs/nfsd/nfs4xdr.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index df5e66c..c76654c 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1562,7 +1562,11 @@ nfsd4_decode_layoutget(struct nfsd4_compoundargs *argp,
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);
- nfsd4_decode_stateid(argp, &lgp->lg_sid);
+
+ status = nfsd4_decode_stateid(argp, &lgp->lg_sid);
+ if (status)
+ return status;
+
READ_BUF(4);
lgp->lg_maxcount = be32_to_cpup(p++);
@@ -1580,7 +1584,11 @@ nfsd4_decode_layoutcommit(struct nfsd4_compoundargs *argp,
p = xdr_decode_hyper(p, &lcp->lc_seg.offset);
p = xdr_decode_hyper(p, &lcp->lc_seg.length);
lcp->lc_reclaim = be32_to_cpup(p++);
- nfsd4_decode_stateid(argp, &lcp->lc_sid);
+
+ status = nfsd4_decode_stateid(argp, &lcp->lc_sid);
+ if (status)
+ return status;
+
READ_BUF(4);
lcp->lc_newoffset = be32_to_cpup(p++);
if (lcp->lc_newoffset) {
@@ -1628,7 +1636,11 @@ nfsd4_decode_layoutreturn(struct nfsd4_compoundargs *argp,
READ_BUF(16);
p = xdr_decode_hyper(p, &lrp->lr_seg.offset);
p = xdr_decode_hyper(p, &lrp->lr_seg.length);
- nfsd4_decode_stateid(argp, &lrp->lr_sid);
+
+ status = nfsd4_decode_stateid(argp, &lrp->lr_sid);
+ if (status)
+ return status;
+
READ_BUF(4);
lrp->lrf_body_len = be32_to_cpup(p++);
if (lrp->lrf_body_len > 0) {
--
2.3.3
next reply other threads:[~2015-03-19 11:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-19 11:04 Kinglong Mee [this message]
2015-03-19 14:40 ` [PATCH] NFSD: Take care the return value from nfsd4_decode_stateid Christoph Hellwig
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