From b8c88d0ecd3ace0a9e054d35a04ff48bcb37d2d9 Mon Sep 17 00:00:00 2001
From: Aleksander Nowakowski <aleksander.nowakowski@nordicsemi.no>
Date: Tue, 4 Dec 2018 10:01:07 +0100
Subject: [PATCH] #148 fixed

---
 .../main/java/no/nordicsemi/android/dfu/BaseDfuImpl.java  | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/dfu/src/main/java/no/nordicsemi/android/dfu/BaseDfuImpl.java b/dfu/src/main/java/no/nordicsemi/android/dfu/BaseDfuImpl.java
index 998d17d..189091d 100644
--- a/dfu/src/main/java/no/nordicsemi/android/dfu/BaseDfuImpl.java
+++ b/dfu/src/main/java/no/nordicsemi/android/dfu/BaseDfuImpl.java
@@ -295,14 +295,18 @@ import no.nordicsemi.android.dfu.internal.scanner.BootloaderScannerFactory;
 
 		int size;
 		try {
-			initPacketStream.reset();
+			if (initPacketStream.markSupported()) {
+				initPacketStream.reset();
+			}
 			size = initPacketStream.available();
 		} catch (final Exception e) {
 			size = 0;
 		}
 		mInitPacketSizeInBytes = size;
 		try {
-			firmwareStream.reset();
+			if (firmwareStream.markSupported()) {
+				firmwareStream.reset();
+			}
 			size = firmwareStream.available();
 		} catch (final Exception e) {
 			size = 0;