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nfsd/blocklayout: Make sure calculate signature/designator length aligned

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These values are all multiples of 4 already, so there's no change in
behavior from this patch.  But perhaps this will prevent mistakes in the
future.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Kinglong Mee 2016-07-14 12:01:17 +08:00 committed by J. Bruce Fields
parent 15d66ac209
commit dd51db1886
1 changed files with 2 additions and 2 deletions
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4
fs/nfsd/blocklayoutxdr.c
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@ -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;