The clang warning -Wshorten-64-to-32 can be useful to catch
inadvertent truncation. In some instances this truncation can lead to
changing the sign of a result, for example, truncation to return an
int to fit a sort routine. Silence the warning by making the implicit
truncation explicit.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/util/demangle-java.c  | 4 ++--
 tools/perf/util/demangle-ocaml.c | 3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/tools/perf/util/demangle-java.c b/tools/perf/util/demangle-java.c
index ddf33d58bcd3..ee20f4d08765 100644
--- a/tools/perf/util/demangle-java.c
+++ b/tools/perf/util/demangle-java.c
@@ -42,9 +42,9 @@ static const char *base_types['Z' - 'A' + 1] = {
  *	error  : NULL
  */
 static char *
-__demangle_java_sym(const char *str, const char *end, char *buf, int maxlen, int mode)
+__demangle_java_sym(const char *str, const char *end, char *buf, size_t maxlen, int mode)
 {
-	int rlen = 0;
+	size_t rlen = 0;
 	int array = 0;
 	int narg = 0;
 	const char *q;
diff --git a/tools/perf/util/demangle-ocaml.c b/tools/perf/util/demangle-ocaml.c
index 9d707bb60b4b..25fe755df5ab 100644
--- a/tools/perf/util/demangle-ocaml.c
+++ b/tools/perf/util/demangle-ocaml.c
@@ -30,8 +30,7 @@ ocaml_demangle_sym(const char *sym)
 {
 	char *result;
 	int j = 0;
-	int i;
-	int len;
+	size_t i, len;
 
 	if (!ocaml_is_mangled(sym)) {
 		return NULL;
-- 
2.49.0.504.g3bcea36a83-goog