Coverity fixes

orte/mca/odls/base/odls_base_default_fns.c

@@ -1047,6 +1047,7 @@ void orte_odls_base_default_launch_local(int fd, short sd, void *cbdata)
             if (ORTE_SUCCESS != (rc = fork_local(app, child, app->env, jobdat))) {
                 child->exit_code = rc; /* error message already output */
                 ORTE_ACTIVATE_PROC_STATE(&child->name, ORTE_PROC_STATE_FAILED_TO_START);
+                continue;
             }
             orte_wait_cb(child, odls_base_default_wait_local_proc, NULL);
             /* if we indexed the argv, we need to restore it to
@@ -1055,7 +1056,12 @@ void orte_odls_base_default_launch_local(int fd, short sd, void *cbdata)
             if (index_argv) {
                 /* restore the argv[0] */
                 char *param;
-                param = strrchr(app->argv[0], '-');
+                if (NULL == (param = strrchr(app->argv[0], '-'))) {
+                    child->exit_code = ORTE_ERR_NOT_FOUND;
+                    rc = ORTE_ERR_NOT_FOUND;
+                    ORTE_ACTIVATE_PROC_STATE(&child->name, ORTE_PROC_STATE_FAILED_TO_START);
+                    continue;
+                }
                 *param = '\0';
             }
             if (ORTE_SUCCESS != rc) {

orte/mca/oob/tcp/oob_tcp_component.c

@@ -822,6 +822,10 @@ static int component_set_addr(orte_process_name_t *peer,
                             ORTE_NAME_PRINT(peer), uris[i]);
         /* separate the ports from the network addrs */
         ports = strrchr(tcpuri, ':');
+        if (NULL == ports) {
+            ORTE_ERROR_LOG(ORTE_ERR_NOT_FOUND);
+            continue;
+        }
         *ports = '\0';
         ports++;
 

orte/mca/oob/usock/oob_usock_component.c

@@ -222,6 +222,7 @@ static int component_startup(void)
                            "usock", NULL);
     if ((strlen(session) + 1) > sizeof(mca_oob_usock_component.address.sun_path)-1) {
         opal_output(0, "SESSION DIR TOO LONG");
+        free(session);
         return ORTE_ERR_NOT_SUPPORTED;
     }
     snprintf(mca_oob_usock_component.address.sun_path,

orte/mca/rmaps/seq/rmaps_seq.c

@@ -266,6 +266,10 @@ static int orte_rmaps_seq_map(orte_job_t *jdata)
             seq_list = &sq_list;
         } else if (orte_get_attribute(&app->attributes, ORTE_APP_HOSTFILE, (void**)&hosts, OPAL_STRING)) {
             char *hstname;
+            if (NULL == hosts) {
+                rc = ORTE_ERR_NOT_FOUND;
+                goto error;
+            }
             opal_output_verbose(5, orte_rmaps_base_framework.framework_output,
                                 "mca:rmaps:seq: using hostfile %s nodes on app %s", hosts, app->app);
             OBJ_CONSTRUCT(&sq_list, opal_list_t);