nfsd4: separate connection allocation and initialization
It'll be useful to have connection allocation and initialization as
separate functions.
Also, note we'd been ignoring the alloc_conn error return in
bind_conn_to_session.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 64938ca..101ccd8 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -852,14 +852,10 @@
return register_xpt_user(conn->cn_xprt, &conn->cn_xpt_user);
}
-static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses, u32 dir)
+static void nfsd4_init_conn(struct svc_rqst *rqstp, struct nfsd4_conn *conn, struct nfsd4_session *ses, u32 dir)
{
- struct nfsd4_conn *conn;
int ret;
- conn = alloc_conn(rqstp, dir);
- if (!conn)
- return nfserr_jukebox;
nfsd4_hash_conn(conn, ses);
ret = nfsd4_register_conn(conn);
if (ret)
@@ -870,17 +866,21 @@
/* callback channel may be back up */
nfsd4_probe_callback(ses->se_client);
}
- return nfs_ok;
}
static __be32 nfsd4_new_conn_from_crses(struct svc_rqst *rqstp, struct nfsd4_session *ses)
{
+ struct nfsd4_conn *conn;
u32 dir = NFS4_CDFC4_FORE;
if (ses->se_flags & SESSION4_BACK_CHAN)
dir |= NFS4_CDFC4_BACK;
- return nfsd4_new_conn(rqstp, ses, dir);
+ conn = alloc_conn(rqstp, dir);
+ if (!conn)
+ return nfserr_jukebox;
+ nfsd4_init_conn(rqstp, conn, ses, dir);
+ return nfs_ok;
}
/* must be called under client_lock */
@@ -1868,6 +1868,7 @@
struct nfsd4_bind_conn_to_session *bcts)
{
__be32 status;
+ struct nfsd4_conn *conn;
if (!nfsd4_last_compound_op(rqstp))
return nfserr_not_only_op;
@@ -1884,9 +1885,13 @@
return nfserr_badsession;
status = nfsd4_map_bcts_dir(&bcts->dir);
- if (!status)
- nfsd4_new_conn(rqstp, cstate->session, bcts->dir);
- return status;
+ if (status)
+ return status;
+ conn = alloc_conn(rqstp, bcts->dir);
+ if (!conn)
+ return nfserr_jukebox;
+ nfsd4_init_conn(rqstp, conn, cstate->session, bcts->dir);
+ return nfs_ok;
}
static bool nfsd4_compound_in_session(struct nfsd4_session *session, struct nfs4_sessionid *sid)