nfsd4: use common rpc_cred for all callbacks

[safe/jmp/linux-2.6] / fs / dlm / lowcomms.c

diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 609108a..618a60f 100644 (file)
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -309,6 +309,20 @@ static void lowcomms_state_change(struct sock *sk)
                lowcomms_write_space(sk);
 }
 
+int dlm_lowcomms_connect_node(int nodeid)
+{
+       struct connection *con;
+
+       if (nodeid == dlm_our_nodeid())
+               return 0;
+
+       con = nodeid2con(nodeid, GFP_NOFS);
+       if (!con)
+               return -ENOMEM;
+       lowcomms_connect_sock(con);
+       return 0;
+}
+
 /* Make a socket active */
 static int add_sock(struct socket *sock, struct connection *con)
 {
@@ -486,7 +500,7 @@ static void process_sctp_notification(struct connection *con,
                                return;
                        }
 
-                       new_con = nodeid2con(nodeid, GFP_KERNEL);
+                       new_con = nodeid2con(nodeid, GFP_NOFS);
                        if (!new_con)
                                return;
 
@@ -722,7 +736,7 @@ static int tcp_accept_from_sock(struct connection *con)
         *  the same time and the connections cross on the wire.
         *  In this case we store the incoming one in "othercon"
         */
-       newcon = nodeid2con(nodeid, GFP_KERNEL);
+       newcon = nodeid2con(nodeid, GFP_NOFS);
        if (!newcon) {
                result = -ENOMEM;
                goto accept_err;
@@ -732,7 +746,7 @@ static int tcp_accept_from_sock(struct connection *con)
                struct connection *othercon = newcon->othercon;
 
                if (!othercon) {
-                       othercon = kmem_cache_zalloc(con_cache, GFP_KERNEL);
+                       othercon = kmem_cache_zalloc(con_cache, GFP_NOFS);
                        if (!othercon) {
                                log_print("failed to allocate incoming socket");
                                mutex_unlock(&newcon->sock_mutex);
@@ -888,7 +902,7 @@ static void tcp_connect_to_sock(struct connection *con)
        int result = -EHOSTUNREACH;
        struct sockaddr_storage saddr, src_addr;
        int addr_len;
-       struct socket *sock;
+       struct socket *sock = NULL;
 
        if (con->nodeid == 0) {
                log_print("attempt to connect sock 0 foiled");
@@ -948,6 +962,8 @@ out_err:
        if (con->sock) {
                sock_release(con->sock);
                con->sock = NULL;
+       } else if (sock) {
+               sock_release(sock);
        }
        /*
         * Some errors are fatal and this list might need adjusting. For other
@@ -1421,7 +1437,7 @@ static int work_start(void)
 static void stop_conn(struct connection *con)
 {
        con->flags |= 0x0F;
-       if (con->sock)
+       if (con->sock && con->sock->sk)
                con->sock->sk->sk_user_data = NULL;
 }