From 968b7dd173d58d917c18dfa7706087db2abcfa6c Mon Sep 17 00:00:00 2001
From: Dave Hylands <dhylands@gmail.com>
Date: Thu, 21 May 2015 20:16:42 -0700
Subject: [PATCH] stmhal: Detect disk full condition

---
 stmhal/file.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/stmhal/file.c b/stmhal/file.c
index 3f7342bd6e..d09d0a0a89 100644
--- a/stmhal/file.c
+++ b/stmhal/file.c
@@ -88,6 +88,11 @@ STATIC mp_uint_t file_obj_write(mp_obj_t self_in, const void *buf, mp_uint_t siz
         *errcode = fresult_to_errno_table[res];
         return MP_STREAM_ERROR;
     }
+    if (sz_out != size) {
+        // The FatFS documentation says that this means disk full.
+        *errcode = ENOSPC;
+        return MP_STREAM_ERROR;
+    }
     return sz_out;
 }