var *prev is not used in function find_cache_extent. Remove it.
Signed-off-by: Wang Sheng-Hui <shhuiw@xxxxxxxxx>
---
extent-cache.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/extent-cache.c b/extent-cache.c
index 3dd6434..6d86c33 100644
--- a/extent-cache.c
+++ b/extent-cache.c
@@ -117,10 +117,9 @@ int insert_cache_extent(struct cache_tree *tree, u64 start, u64 size)
struct cache_extent *find_cache_extent(struct cache_tree *tree,
u64 start, u64 size)
{
- struct rb_node *prev;
struct rb_node *ret;
struct cache_extent *entry;
- ret = __tree_search(&tree->root, start, size, &prev);
+ ret = __tree_search(&tree->root, start, size, NULL);
if (!ret)
return NULL;
--
1.7.10.4
--
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