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[PATCH] util: Return void on iova_tree_remove


From: Eugenio Pérez
Subject: [PATCH] util: Return void on iova_tree_remove
Date: Thu, 31 Mar 2022 20:17:12 +0200

It always returns IOVA_OK so nobody uses it.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
 include/qemu/iova-tree.h | 4 +---
 util/iova-tree.c         | 4 +---
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/include/qemu/iova-tree.h b/include/qemu/iova-tree.h
index c938fb0793..16bbfdf5f8 100644
--- a/include/qemu/iova-tree.h
+++ b/include/qemu/iova-tree.h
@@ -72,10 +72,8 @@ int iova_tree_insert(IOVATree *tree, const DMAMap *map);
  * provided.  The range does not need to be exactly what has inserted,
  * all the mappings that are included in the provided range will be
  * removed from the tree.  Here map->translated_addr is meaningless.
- *
- * Return: 0 if succeeded, or <0 if error.
  */
-int iova_tree_remove(IOVATree *tree, const DMAMap *map);
+void iova_tree_remove(IOVATree *tree, const DMAMap *map);

 /**
  * iova_tree_find:
diff --git a/util/iova-tree.c b/util/iova-tree.c
index 6dff29c1f6..fee530a579 100644
--- a/util/iova-tree.c
+++ b/util/iova-tree.c
@@ -164,15 +164,13 @@ void iova_tree_foreach(IOVATree *tree, iova_tree_iterator 
iterator)
     g_tree_foreach(tree->tree, iova_tree_traverse, iterator);
 }

-int iova_tree_remove(IOVATree *tree, const DMAMap *map)
+void iova_tree_remove(IOVATree *tree, const DMAMap *map)
 {
     const DMAMap *overlap;

     while ((overlap = iova_tree_find(tree, map))) {
         g_tree_remove(tree->tree, overlap);
     }
-
-    return IOVA_OK;
 }

 /**
--
2.27.0




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