migration: Make *start_outgoing_migration return FdMigrationState

Signed-off-by: NJuan Quintela <quintela@redhat.com>
Reviewed-by: NAnthony Liguori <aliguori@us.ibm.com>

migration-exec.c

@@ -61,7 +61,7 @@ static int exec_close(FdMigrationState *s)
     return ret;
 }
 
-MigrationState *exec_start_outgoing_migration(Monitor *mon,
+FdMigrationState *exec_start_outgoing_migration(Monitor *mon,
                                               const char *command,
 					      int64_t bandwidth_limit,
 					      int detach,
@@ -108,7 +108,7 @@ MigrationState *exec_start_outgoing_migration(Monitor *mon,
     }
 
     migrate_fd_connect(s);
-    return &s->mig_state;
+    return s;
 
 err_after_open:
     pclose(f);

migration-fd.c

@@ -50,7 +50,7 @@ static int fd_close(FdMigrationState *s)
     return 0;
 }
 
-MigrationState *fd_start_outgoing_migration(Monitor *mon,
+FdMigrationState *fd_start_outgoing_migration(Monitor *mon,
 					    const char *fdname,
 					    int64_t bandwidth_limit,
 					    int detach,
@@ -91,7 +91,7 @@ MigrationState *fd_start_outgoing_migration(Monitor *mon,
     }
 
     migrate_fd_connect(s);
-    return &s->mig_state;
+    return s;
 
 err_after_open:
     close(s->fd);

migration-tcp.c

@@ -75,7 +75,7 @@ static void tcp_wait_for_connect(void *opaque)
     }
 }
 
-MigrationState *tcp_start_outgoing_migration(Monitor *mon,
+FdMigrationState *tcp_start_outgoing_migration(Monitor *mon,
                                              const char *host_port,
                                              int64_t bandwidth_limit,
                                              int detach,
@@ -131,7 +131,7 @@ MigrationState *tcp_start_outgoing_migration(Monitor *mon,
     } else if (ret >= 0)
         migrate_fd_connect(s);
 
-    return &s->mig_state;
+    return s;
 }
 
 static void tcp_accept_incoming_migration(void *opaque)

migration-unix.c

@@ -74,7 +74,7 @@ static void unix_wait_for_connect(void *opaque)
     }
 }
 
-MigrationState *unix_start_outgoing_migration(Monitor *mon,
+FdMigrationState *unix_start_outgoing_migration(Monitor *mon,
                                               const char *path,
 					      int64_t bandwidth_limit,
 					      int detach,
@@ -132,7 +132,7 @@ MigrationState *unix_start_outgoing_migration(Monitor *mon,
     if (ret >= 0)
         migrate_fd_connect(s);
 
-    return &s->mig_state;
+    return s;
 
 err_after_open:
     close(s->fd);

migration.c

@@ -79,7 +79,7 @@ void process_incoming_migration(QEMUFile *f)
 
 int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data)
 {
-    MigrationState *s = NULL;
+    FdMigrationState *s = NULL;
     const char *p;
     int detach = qdict_get_try_bool(qdict, "detach", 0);
     int blk = qdict_get_try_bool(qdict, "blk", 0);
@@ -124,7 +124,7 @@ int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data)
         current_migration->release(current_migration);
     }
 
-    current_migration = s;
+    current_migration = &s->mig_state;
     notifier_list_notify(&migration_state_notifiers, NULL);
     return 0;
 }

migration.h

@@ -72,7 +72,7 @@ void do_info_migrate(Monitor *mon, QObject **ret_data);
 
 int exec_start_incoming_migration(const char *host_port);
 
-MigrationState *exec_start_outgoing_migration(Monitor *mon,
+FdMigrationState *exec_start_outgoing_migration(Monitor *mon,
                                               const char *host_port,
 					      int64_t bandwidth_limit,
 					      int detach,
@@ -81,7 +81,7 @@ MigrationState *exec_start_outgoing_migration(Monitor *mon,
 
 int tcp_start_incoming_migration(const char *host_port);
 
-MigrationState *tcp_start_outgoing_migration(Monitor *mon,
+FdMigrationState *tcp_start_outgoing_migration(Monitor *mon,
                                              const char *host_port,
 					     int64_t bandwidth_limit,
 					     int detach,
@@ -90,7 +90,7 @@ MigrationState *tcp_start_outgoing_migration(Monitor *mon,
 
 int unix_start_incoming_migration(const char *path);
 
-MigrationState *unix_start_outgoing_migration(Monitor *mon,
+FdMigrationState *unix_start_outgoing_migration(Monitor *mon,
                                               const char *path,
 					      int64_t bandwidth_limit,
 					      int detach,
@@ -99,7 +99,7 @@ MigrationState *unix_start_outgoing_migration(Monitor *mon,
 
 int fd_start_incoming_migration(const char *path);
 
-MigrationState *fd_start_outgoing_migration(Monitor *mon,
+FdMigrationState *fd_start_outgoing_migration(Monitor *mon,
 					    const char *fdname,
 					    int64_t bandwidth_limit,
 					    int detach,