From adc3d75936e6a0b5bfeacb49643ab6f8cda5d2bc Mon Sep 17 00:00:00 2001
From: Christopher Haster <chaster@utexas.edu>
Date: Wed, 21 Jun 2017 13:33:40 -0500
Subject: [PATCH] bd: Fix missing init in MBRBlockDevice

---
 features/filesystem/bd/MBRBlockDevice.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/features/filesystem/bd/MBRBlockDevice.cpp b/features/filesystem/bd/MBRBlockDevice.cpp
index ae095ed939..134ce9848b 100644
--- a/features/filesystem/bd/MBRBlockDevice.cpp
+++ b/features/filesystem/bd/MBRBlockDevice.cpp
@@ -187,11 +187,16 @@ MBRBlockDevice::MBRBlockDevice(BlockDevice *bd, int part)
 
 int MBRBlockDevice::init()
 {
+    int err = _bd->init();
+    if (err) {
+        return err;
+    }
+
     // Allocate smallest buffer necessary to write MBR
     uint32_t buffer_size = std::max<uint32_t>(_bd->get_read_size(), sizeof(struct mbr_table));
     uint8_t *buffer = new uint8_t[buffer_size];
 
-    int err = _bd->read(buffer, 512-buffer_size, buffer_size);
+    err = _bd->read(buffer, 512-buffer_size, buffer_size);
     if (err) {
         delete[] buffer;
         return err;