From 4bc348f39fb49d26ac2f131155b0862c9a1bcd4f Mon Sep 17 00:00:00 2001
From: Julien Fontanet <julien.fontanet@isonoe.net>
Date: Wed, 11 Apr 2018 17:47:43 +0200
Subject: [PATCH] fix(xo-server/vhd/createReadStream): emit empty if missing
 sectors

---
 packages/xo-server/src/vhd-merge.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/xo-server/src/vhd-merge.js b/packages/xo-server/src/vhd-merge.js
index 2b2577740..347ff9c54 100644
--- a/packages/xo-server/src/vhd-merge.js
+++ b/packages/xo-server/src/vhd-merge.js
@@ -942,7 +942,9 @@ export const createReadStream = asyncIteratorToStream(function * (handler, path)
         const vhd = vhds[iVhd]
         const isRootVhd = vhd.footer.diskType === HARD_DISK_TYPE_DYNAMIC
         if (!vhd.containsBlock(iBlock)) {
-          if (!isRootVhd) {
+          if (isRootVhd) {
+            yield Buffer.alloc((n - i) * VHD_SECTOR_SIZE)
+          } else {
             yield * emitBlockSectors(iVhd + 1, i, n)
           }
           return