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authorKinglong Mee <kinglongmee@gmail.com>2016-07-14 12:01:28 +0800
committerTrond Myklebust <trond.myklebust@primarydata.com>2016-07-15 15:51:11 -0400
commitecc2b88c4a48cbabb3ed7617f55e92c123fb634b (patch)
treeb0ebecefe6cbb8a899fb60a87d06c1880dcf914b /fs/nfs/blocklayout
parent11487ddbdb12c36e094bedcc5c906ff219905a03 (diff)
nfs/blocklayout: Make sure calculate signature length aligned
Avoid a bad nfs server return an unaligned length of signature. Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/blocklayout')
-rw-r--r--fs/nfs/blocklayout/dev.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/blocklayout/dev.c b/fs/nfs/blocklayout/dev.c
index 436bb303d856..7d9f570e1b52 100644
--- a/fs/nfs/blocklayout/dev.c
+++ b/fs/nfs/blocklayout/dev.c
@@ -89,7 +89,8 @@ nfs4_block_decode_volume(struct xdr_stream *xdr, struct pnfs_block_volume *b)
memcpy(&b->simple.sigs[i].sig, p,
b->simple.sigs[i].sig_len);
- b->simple.len += 8 + 4 + b->simple.sigs[i].sig_len;
+ b->simple.len += 8 + 4 + \
+ (XDR_QUADLEN(b->simple.sigs[i].sig_len) << 2);
}
break;
case PNFS_BLOCK_VOLUME_SLICE: