nfsd4: clean up session allocation

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 7536a88..79f1fdb 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -758,7 +758,7 @@ static void nfsd4_put_drc_mem(int slotsize, int num)
        spin_unlock(&nfsd_drc_lock);
 }
 
-static struct nfsd4_session *alloc_session(int slotsize, int numslots)
+static struct nfsd4_session *__alloc_session(int slotsize, int numslots)
 {
        struct nfsd4_session *new;
        int mem, i;
@@ -921,14 +921,10 @@ void nfsd4_put_session(struct nfsd4_session *ses)
        spin_unlock(&client_lock);
 }
 
-static struct nfsd4_session *alloc_init_session(struct svc_rqst *rqstp, struct nfs4_client *clp, struct nfsd4_create_session *cses)
+static struct nfsd4_session *alloc_session(struct nfsd4_channel_attrs *fchan)
 {
        struct nfsd4_session *new;
-       struct nfsd4_conn *conn;
-       struct nfsd4_channel_attrs *fchan = &cses->fore_channel;
        int numslots, slotsize;
-       int idx;
-
        /*
         * Note decreasing slot size below client's request may
         * make it difficult for client to function correctly, whereas
@@ -941,13 +937,30 @@ static struct nfsd4_session *alloc_init_session(struct svc_rqst *rqstp, struct n
        if (numslots < 1)
                return NULL;
 
-       new = alloc_session(slotsize, numslots);
+       new = __alloc_session(slotsize, numslots);
        if (!new) {
                nfsd4_put_drc_mem(slotsize, fchan->maxreqs);
                return NULL;
        }
        init_forechannel_attrs(&new->se_fchannel, fchan, numslots, slotsize);
+       return new;
+}
 
+static struct nfsd4_session *alloc_init_session(struct svc_rqst *rqstp, struct nfs4_client *clp, struct nfsd4_create_session *cses)
+{
+       struct nfsd4_session *new;
+       struct nfsd4_conn *conn;
+       int idx;
+
+       new = alloc_session(&cses->fore_channel);
+       if (!new)
+               return NULL;
+
+       conn = alloc_conn_from_crses(rqstp, cses);
+       if (!conn) {
+               __free_session(new);
+               return NULL;
+       }
        new->se_client = clp;
        gen_sessionid(new);
 
@@ -965,11 +978,6 @@ static struct nfsd4_session *alloc_init_session(struct svc_rqst *rqstp, struct n
        spin_unlock(&clp->cl_lock);
        spin_unlock(&client_lock);
 
-       conn = alloc_conn_from_crses(rqstp, cses);
-       if (!conn) {
-               __free_session(new);
-               return NULL;
-       }
        nfsd4_init_conn(rqstp, conn, new);
        if (cses->flags & SESSION4_BACK_CHAN) {
                struct sockaddr *sa = svc_addr(rqstp);