diff options
| -rw-r--r-- | fs/nfs/callback_proc.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c index 631b44c1439b..49c4b548b4d0 100644 --- a/fs/nfs/callback_proc.c +++ b/fs/nfs/callback_proc.c @@ -280,17 +280,12 @@ out: return status; } -/* FIXME: referring calls should be processed */ unsigned nfs4_callback_sequence(struct cb_sequenceargs *args, struct cb_sequenceres *res) { struct nfs_client *clp; int i, status; - for (i = 0; i < args->csa_nrclists; i++) - kfree(args->csa_rclists[i].rcl_refcalls); - kfree(args->csa_rclists); - status = htonl(NFS4ERR_BADSESSION); clp = find_client_with_session(args->csa_addr, 4, &args->csa_sessionid); if (clp == NULL) @@ -301,6 +296,16 @@ unsigned nfs4_callback_sequence(struct cb_sequenceargs *args, if (status) goto out_putclient; + /* + * Check for pending referring calls. If a match is found, a + * related callback was received before the response to the original + * call. + */ + if (referring_call_exists(clp, args->csa_nrclists, args->csa_rclists)) { + status = htonl(NFS4ERR_DELAY); + goto out_putclient; + } + memcpy(&res->csr_sessionid, &args->csa_sessionid, sizeof(res->csr_sessionid)); res->csr_sequenceid = args->csa_sequenceid; @@ -311,6 +316,10 @@ unsigned nfs4_callback_sequence(struct cb_sequenceargs *args, out_putclient: nfs_put_client(clp); out: + for (i = 0; i < args->csa_nrclists; i++) + kfree(args->csa_rclists[i].rcl_refcalls); + kfree(args->csa_rclists); + dprintk("%s: exit with status = %d\n", __func__, ntohl(status)); res->csr_status = status; return res->csr_status; |