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From: Kinglong Mee <kinglongmee@gmail.com>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: linux-nfs@vger.kernel.org, Kinglong Mee <kinglongmee@gmail.com>
Subject: [PATCH] nfsd/blocklayout: Make sure calculate signature/designator length aligned
Date: Thu, 14 Jul 2016 12:01:17 +0800	[thread overview]
Message-ID: <53d87a05-76c2-d1f5-4c48-52290468a6e7@gmail.com> (raw)


Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
---
 fs/nfsd/blocklayoutxdr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/nfsd/blocklayoutxdr.c b/fs/nfsd/blocklayoutxdr.c
index 6c3b316..d72467e 100644
--- a/fs/nfsd/blocklayoutxdr.c
+++ b/fs/nfsd/blocklayoutxdr.c
@@ -43,7 +43,7 @@ nfsd4_block_encode_volume(struct xdr_stream *xdr, struct pnfs_block_volume *b)
 
 	switch (b->type) {
 	case PNFS_BLOCK_VOLUME_SIMPLE:
-		len = 4 + 4 + 8 + 4 + b->simple.sig_len;
+		len = 4 + 4 + 8 + 4 + (XDR_QUADLEN(b->simple.sig_len) << 2);
 		p = xdr_reserve_space(xdr, len);
 		if (!p)
 			return -ETOOSMALL;
@@ -54,7 +54,7 @@ nfsd4_block_encode_volume(struct xdr_stream *xdr, struct pnfs_block_volume *b)
 		p = xdr_encode_opaque(p, b->simple.sig, b->simple.sig_len);
 		break;
 	case PNFS_BLOCK_VOLUME_SCSI:
-		len = 4 + 4 + 4 + 4 + b->scsi.designator_len + 8;
+		len = 4 + 4 + 4 + 4 + (XDR_QUADLEN(b->scsi.designator_len) << 2) + 8;
 		p = xdr_reserve_space(xdr, len);
 		if (!p)
 			return -ETOOSMALL;
-- 
2.7.4


             reply	other threads:[~2016-07-14  4:01 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-14  4:01 Kinglong Mee [this message]
2016-07-14 18:51 ` [PATCH] nfsd/blocklayout: Make sure calculate signature/designator length aligned J. Bruce Fields

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