From 28a78308afad87ac2aa772bdc47949ebc9f684e4 Mon Sep 17 00:00:00 2001
From: Christopher Haster <chaster@utexas.edu>
Date: Thu, 21 Jun 2018 17:09:23 -0500
Subject: [PATCH] Fixed issue with MBR init asserting on bad partition size

---
 features/filesystem/bd/MBRBlockDevice.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/features/filesystem/bd/MBRBlockDevice.cpp b/features/filesystem/bd/MBRBlockDevice.cpp
index a8e74fad72..e83e4fbf07 100644
--- a/features/filesystem/bd/MBRBlockDevice.cpp
+++ b/features/filesystem/bd/MBRBlockDevice.cpp
@@ -241,7 +241,9 @@ int MBRBlockDevice::init()
     _size   = fromle32(table->entries[_part-1].lba_size)   * sector;
 
     // Check that block addresses are valid
-    MBED_ASSERT(_bd->is_valid_erase(_offset, _size));
+    if (!_bd->is_valid_erase(_offset, _size)) {
+        return BD_ERROR_INVALID_PARTITION;
+    }
 
     delete[] buffer;
     return 0;