diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index e7f4449..eef1662 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -28,8 +28,9 @@
 	return origin[dso->symtab_type];
 }
 
-int dso__binary_type_file(const struct dso *dso, enum dso_binary_type type,
-			  char *root_dir, char *filename, size_t size)
+int dso__read_binary_type_filename(const struct dso *dso,
+				   enum dso_binary_type type,
+				   char *root_dir, char *filename, size_t size)
 {
 	char build_id_hex[BUILD_ID_SIZE * 2 + 1];
 	int ret = 0;
@@ -137,19 +138,18 @@
 
 static int open_dso(struct dso *dso, struct machine *machine)
 {
-	char *root_dir = (char *) "";
-	char *name;
 	int fd;
+	char *root_dir = (char *)"";
+	char *name = malloc(PATH_MAX);
 
-	name = malloc(PATH_MAX);
 	if (!name)
 		return -ENOMEM;
 
 	if (machine)
 		root_dir = machine->root_dir;
 
-	if (dso__binary_type_file(dso, dso->data_type,
-				  root_dir, name, PATH_MAX)) {
+	if (dso__read_binary_type_filename(dso, dso->data_type,
+					    root_dir, name, PATH_MAX)) {
 		free(name);
 		return -EINVAL;
 	}
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index e1cc506..aa33847 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -128,8 +128,8 @@
 int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir);
 
 char dso__symtab_origin(const struct dso *dso);
-int dso__binary_type_file(const struct dso *dso, enum dso_binary_type type,
-			  char *root_dir, char *filename, size_t size);
+int dso__read_binary_type_filename(const struct dso *dso, enum dso_binary_type type,
+				   char *root_dir, char *filename, size_t size);
 
 int dso__data_fd(struct dso *dso, struct machine *machine);
 ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine,
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 61eb1cd..9ee4b80 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1258,8 +1258,8 @@
 
 		enum dso_binary_type symtab_type = binary_type_symtab[i];
 
-		if (dso__binary_type_file(dso, symtab_type,
-					  root_dir, name, PATH_MAX))
+		if (dso__read_binary_type_filename(dso, symtab_type,
+						   root_dir, name, PATH_MAX))
 			continue;
 
 		/* Name is now the name of the next image to try */