diff options
Diffstat (limited to 'fs/nfsd/nfs4callback.c')
| -rw-r--r-- | fs/nfsd/nfs4callback.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index eb78109d666c..0274db6e65d0 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -303,6 +303,7 @@ static int decode_cb_compound4res(struct xdr_stream *xdr, p = xdr_inline_decode(xdr, length + 4); if (unlikely(p == NULL)) goto out_overflow; + p += XDR_QUADLEN(length); hdr->nops = be32_to_cpup(p); return 0; out_overflow: @@ -396,13 +397,10 @@ static int decode_cb_sequence4resok(struct xdr_stream *xdr, struct nfsd4_callback *cb) { struct nfsd4_session *session = cb->cb_clp->cl_cb_session; - struct nfs4_sessionid id; - int status; + int status = -ESERVERFAULT; __be32 *p; u32 dummy; - status = -ESERVERFAULT; - /* * If the server returns different values for sessionID, slotID or * sequence number, the server is looney tunes. @@ -410,9 +408,8 @@ static int decode_cb_sequence4resok(struct xdr_stream *xdr, 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); - if (memcmp(id.data, session->se_sessionid.data, - NFS4_MAX_SESSIONID_LEN) != 0) { + + if (memcmp(p, session->se_sessionid.data, NFS4_MAX_SESSIONID_LEN)) { dprintk("NFS: %s Invalid session id\n", __func__); goto out; } @@ -753,6 +750,14 @@ int set_callback_cred(void) return 0; } +void cleanup_callback_cred(void) +{ + if (callback_cred) { + put_rpccred(callback_cred); + callback_cred = NULL; + } +} + static struct rpc_cred *get_backchannel_cred(struct nfs4_client *clp, struct rpc_clnt *client, struct nfsd4_session *ses) { if (clp->cl_minorversion == 0) { |