Fix two Coverity complaints CID 813 (value defined and not used) and 1039 (resource leak). While doing so, found and fixed another less obvious memory leak.

This commit was SVN r18641.

orte/mca/plm/base/plm_base_orted_cmds.c

@@ -72,7 +72,8 @@ static void send_callback(int status,
     if (num_reported == num_being_sent) {
         /* cancel the timer */
         if (NULL != ev) {
-            opal_event_del(ev);
+            opal_evtimer_del(ev);
+            free(ev);
             ev = NULL;
         }
         

orte/tools/orterun/orterun.c

@@ -114,6 +114,8 @@ static opal_event_t *orterun_event, *orteds_exit_event;
 static char *ompi_server=NULL;
 static opal_event_t *abort_exit_event=NULL;
 static bool forcibly_die = false;
+static opal_event_t *timeout_ev=NULL;
+
 /*
  * Globals
  */
@@ -571,8 +573,10 @@ static void job_completed(int trigpipe, short event, void *arg)
 
     /* if the abort exit event is set, delete it */
     if (NULL != abort_exit_event) {
-        opal_event_del(abort_exit_event);
+        opal_evtimer_del(abort_exit_event);
+        free(abort_exit_event);
     }
+    
     /* close the trigger pipe */
     if (0 <= trigpipe) {
         close(trigpipe);
@@ -612,9 +616,7 @@ static void job_completed(int trigpipe, short event, void *arg)
         goto DONE;
     }
     
-    if (ORTE_SUCCESS != (rc = orte_plm.terminate_orteds())) {
+    if (ORTE_SUCCESS != (rc = orte_plm.terminate_orteds())) {        
-        opal_event_t *ev;
-        
         /* since we know that the sends didn't completely go out,
          * we know that the prior event will never fire. Delete it
          * for completeness, and replace it with a timeout so
@@ -627,7 +629,7 @@ static void job_completed(int trigpipe, short event, void *arg)
             /* we are totally hozed */
             goto DONE;
         }
-        ORTE_DETECT_TIMEOUT(&ev, daemons->num_procs,
+        ORTE_DETECT_TIMEOUT(&timeout_ev, daemons->num_procs,
                             orte_timeout_usec_per_proc,
                             orte_max_timeout, terminated);
     }
@@ -667,6 +669,12 @@ static void terminated(int trigpipe, short event, void *arg)
         close(trigpipe);
     }
     
+    /* clear the event timer */
+    if (NULL != timeout_ev) {
+        opal_evtimer_del(timeout_ev);
+        free(timeout_ev);
+    }
+    
     /* Remove the TERM and INT signal handlers */
     opal_signal_del(&term_handler);
     opal_signal_del(&int_handler);
@@ -1560,11 +1568,13 @@ static int create_app(int argc, char* argv[], orte_app_context_t **app_ptr,
                 if (0 == param_len) {
                     orte_show_help("help-orterun.txt", "orterun:empty-prefix",
                                    true, orterun_basename, orterun_basename);
+                    free(param);
                     return ORTE_ERR_FATAL;
                 }
             }
 
             app->prefix_dir = strdup(param);
+            free(param);
         }
     }