2 files changed, 5 insertions, 13 deletions
diff --git a/source/ui-blame.c b/source/ui-blame.c
index 48cbf8e..efa9470 100644
--- a/source/ui-blame.c
+++ b/source/ui-blame.c
@@ -24,7 +24,7 @@ enum blame_target {
 };
 
 struct walk_tree_context {
-	char *rev;
+	const char *rev;
 	int match_baselen;
 	enum blame_target found;
 };
@@ -338,12 +338,9 @@ static void print_blame_page(const struct object_id *oid, const char *path,
 
 	html("<pre><code>");
 	if (ctx.repo->source_filter) {
-		char *filter_arg = xstrdup(filename);
-
-		cgit_open_filter(ctx.repo->source_filter, filter_arg);
+		cgit_open_filter(ctx.repo->source_filter, filename);
 		html_raw(buf, size);
 		cgit_close_filter(ctx.repo->source_filter);
-		free(filter_arg);
 	} else {
 		html_blob_txt(buf, size);
 	}
@@ -428,7 +425,7 @@ void cgit_print_blame(void)
 		return;
 	}
 
-	walk.rev = xstrdup(rev);
+	walk.rev = rev;
 	walk.match_baselen = path_items.match ? basedir_len(path_items.match) : -1;
 
 	read_tree(the_repository, repo_get_commit_tree(the_repository, commit), &paths, walk_tree, &walk);
@@ -436,6 +433,4 @@ void cgit_print_blame(void)
 		cgit_print_error_page(404, "Not Found", "Not found");
 	else if (walk.found == TARGET_FOLDER)
 		cgit_print_error_page(404, "Not Found", "Blame is not available for a directory");
-
-	free(walk.rev);
 }
diff --git a/source/ui-commit.c b/source/ui-commit.c
index 63f2b7e..ce00cf0 100644
--- a/source/ui-commit.c
+++ b/source/ui-commit.c
@@ -247,7 +247,6 @@ void cgit_print_commit(char *hex, const char *prefix)
 	struct object_id oid, first_oid;
 	const char *commit_hex;
 	char *first_parent;
-	char *tree_rev;
 	int parents;
 
 	if (!hex)
@@ -293,13 +292,11 @@ void cgit_print_commit(char *hex, const char *prefix)
 	parents = print_parent_rows(commit, hex, prefix, &first_oid);
 
 	html("<tr><th scope='row'>tree</th><td colspan='2' class='oid'><div class='spanning'>");
-	tree_rev = xstrdup(hex);
-	cgit_tree_link(oid_to_hex(get_commit_tree_oid(commit)), NULL, NULL, ctx.qry.head, tree_rev, NULL);
+	cgit_tree_link(oid_to_hex(get_commit_tree_oid(commit)), NULL, NULL, ctx.qry.head, hex, NULL);
 	if (prefix) {
 		html(" /");
-		cgit_tree_link(prefix, NULL, NULL, ctx.qry.head, tree_rev, prefix);
+		cgit_tree_link(prefix, NULL, NULL, ctx.qry.head, hex, prefix);
 	}
-	free(tree_rev);
 	html("</div></td></tr>\n");
 
 	if (ctx.repo->snapshots) {