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nfsd: clean up an xdr reserved space calculation

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We should use XDR_LEN to calculate reserved space in case the oid is not
a multiple of 4.

RESERVE_SPACE actually rounds up for us, but it's probably better to be
careful here.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Kinglong Mee 2013-12-09 19:31:21 +08:00 committed by J. Bruce Fields
parent b9b284df6c
commit a9f7b4a06c
1 changed files with 1 additions and 1 deletions
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2
fs/nfsd/nfs4xdr.c
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@ -3263,7 +3263,7 @@ nfsd4_do_encode_secinfo(struct nfsd4_compoundres *resp,
if (rpcauth_get_gssinfo(pf, &info) == 0) {
supported++;
RESERVE_SPACE(4 + 4 + info.oid.len + 4 + 4);
RESERVE_SPACE(4 + 4 + XDR_LEN(info.oid.len) + 4 + 4);
WRITE32(RPC_AUTH_GSS);
WRITE32(info.oid.len);
WRITEMEM(info.oid.data, info.oid.len);