From 4ecb700fe34491c563372ffa72387ef6d45ce5d8 Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Wed, 23 Jul 2014 00:25:46 +0300
Subject: [PATCH] streams: Treat non-error output size as unsigned.

---
 py/stream.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/py/stream.c b/py/stream.c
index 5e65f79bac75..ad5855c70603 100644
--- a/py/stream.c
+++ b/py/stream.c
@@ -113,7 +113,7 @@ STATIC mp_obj_t stream_read(uint n_args, const mp_obj_t *args) {
                 nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "[Errno %d]", error));
             }
 
-            if (out_sz < more_bytes) {
+            if ((mp_uint_t)out_sz < more_bytes) {
                 // Finish reading.
                 // TODO what if we have read only half a non-ASCII char?
                 vstr_cut_tail_bytes(&vstr, more_bytes - out_sz);