Some fixes to avoid memory leaks per valgrind.

This commit was SVN r3668.

src/mca/gpr/proxy/gpr_proxy_compound_cmd.c

@@ -43,6 +43,7 @@ int mca_gpr_proxy_begin_compound_cmd(void)
         ompi_buffer_size(mca_gpr_proxy_compound_cmd, &size);
         if (0 < size) {
 	    ompi_buffer_free(mca_gpr_proxy_compound_cmd);
+	    mca_gpr_proxy_compound_cmd = NULL;
         }
     }
 
@@ -64,6 +65,7 @@ int mca_gpr_proxy_stop_compound_cmd(void)
 	ompi_buffer_size(mca_gpr_proxy_compound_cmd, &size);
 	if (0 < size) {
 	    ompi_buffer_free(mca_gpr_proxy_compound_cmd);
+	    mca_gpr_proxy_compound_cmd = NULL;
 	}
     }
 
@@ -120,6 +122,7 @@ ompi_list_t* mca_gpr_proxy_exec_compound_cmd(bool return_requested)
 	ompi_buffer_size(mca_gpr_proxy_compound_cmd, &size);
 	if (0 < size) {
 	    ompi_buffer_free(mca_gpr_proxy_compound_cmd);
+	    mca_gpr_proxy_compound_cmd = NULL;
 	}
     }
 

src/mca/gpr/replica/gpr_replica_compound_cmd.c

@@ -45,6 +45,7 @@ int mca_gpr_replica_begin_compound_cmd(void)
         if (0 < size) {
 	    ompi_buffer_free(mca_gpr_replica_compound_cmd);
         }
+        mca_gpr_replica_compound_cmd = NULL;
     }
     ompi_buffer_init(&mca_gpr_replica_compound_cmd, 0);
 
@@ -64,6 +65,7 @@ int mca_gpr_replica_stop_compound_cmd(void)
         ompi_buffer_size(mca_gpr_replica_compound_cmd, &size);
         if (0 < size) {
 	    ompi_buffer_free(mca_gpr_replica_compound_cmd);
+	    mca_gpr_replica_compound_cmd = NULL;
         }
     }
 
@@ -102,12 +104,14 @@ ompi_list_t* mca_gpr_replica_exec_compound_cmd(bool return_requested)
     }
 
     ompi_buffer_free(results);
+    results = NULL;
 
     mca_gpr_replica_compound_cmd_mode = false;
     if (NULL != mca_gpr_replica_compound_cmd) {  /* shouldn't be any way this could be true, but just to be safe... */
         ompi_buffer_size(mca_gpr_replica_compound_cmd, &size);
         if (0 < size) {
 	    ompi_buffer_free(mca_gpr_replica_compound_cmd);
+	    mca_gpr_replica_compound_cmd = NULL;
         }
     }
 

src/mca/gpr/replica/gpr_replica_del_index.c

@@ -69,6 +69,9 @@ void mca_gpr_replica_delete_segment_nl(mca_gpr_replica_segment_t *seg)
 
     /* remove segment name from global registry dictionary */
     mca_gpr_replica_delete_key(seg, NULL);
+    
+    /* release the segment pointer */
+    OBJ_RELEASE(seg);
 
     return;
 }

src/mca/gpr/replica/gpr_replica_internals_segment_ops.c

@@ -118,7 +118,6 @@ int mca_gpr_replica_empty_segment(mca_gpr_replica_segment_t *seg)
 
     /* now remove segment from global registry */
     ompi_list_remove_item(&mca_gpr_replica_head.registry, &seg->item);
-    OBJ_RELEASE(seg);
 
 
     return OMPI_SUCCESS;