From ffe45f1896adfff93258b917f6a566dcc06a6597 Mon Sep 17 00:00:00 2001
From: Peter Hartmann <phartmann@blackberry.com>
Date: Mon, 25 Mar 2013 15:55:40 +0100
Subject: QNonContiguousByteDevice: roll back complete internal state in
 reset()

... otherwise we would not start reading from the beginning when the
device was reset.

Change-Id: Ida196eb40790fba56ff2eed782fd93a3015222f9
Reviewed-by: Shane Kearns <shane.kearns@accenture.com>
---
 src/corelib/io/qnoncontiguousbytedevice.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/corelib/io/qnoncontiguousbytedevice.cpp b/src/corelib/io/qnoncontiguousbytedevice.cpp
index c0fbbaf103..253aa2aafb 100644
--- a/src/corelib/io/qnoncontiguousbytedevice.cpp
+++ b/src/corelib/io/qnoncontiguousbytedevice.cpp
@@ -391,6 +391,13 @@ bool QNonContiguousByteDeviceIoDeviceImpl::reset()
     bool reset = (initialPosition == 0) ? device->reset() : device->seek(initialPosition);
     if (reset) {
         eof = false; // assume eof is false, it will be true after a read has been attempted
+        totalAdvancements = 0; //reset the progress counter
+        if (currentReadBuffer) {
+            delete currentReadBuffer;
+            currentReadBuffer = 0;
+        }
+        currentReadBufferAmount = 0;
+        currentReadBufferPosition = 0;
         return true;
     }
 
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