NFSD: fix decode_cb_sequence4resok

Fix bug introduced in patch
85a56480 NFSD: Update XDR decoders in NFSv4 callback client

Although decode_cb_sequence4resok ignores highest slotid and target highest slotid
it must account for their space in their xdr stream when calling xdr_inline_decode

Cc: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index cde36cb0f3489f4d0ac29a06310654ec0f177f8f..02eb4edf0ece1ab240c86aaf1c9afc025a805199 100644 (file)
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -432,7 +432,7 @@ static int decode_cb_sequence4resok(struct xdr_stream *xdr,
         * If the server returns different values for sessionID, slotID or
         * sequence number, the server is looney tunes.
         */
-       p = xdr_inline_decode(xdr, NFS4_MAX_SESSIONID_LEN + 4 + 4);
+       p = xdr_inline_decode(xdr, NFS4_MAX_SESSIONID_LEN + 4 + 4 + 4 + 4);
        if (unlikely(p == NULL))
                goto out_overflow;
        memcpy(id.data, p, NFS4_MAX_SESSIONID_LEN);