From 28b359703ded5700666083c94559627709cf73ee Mon Sep 17 00:00:00 2001
From: Alexander Boettcher <alexander.boettcher@genode-labs.com>
Date: Thu, 23 Feb 2017 15:05:36 +0100
Subject: [PATCH] ram_fs: avoid Deref_unconstructed_object exception

if ROM is invalid. With the patch one gets a name of the ROM and the
server continues.
---
 repos/os/src/server/ram_fs/main.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/repos/os/src/server/ram_fs/main.cc b/repos/os/src/server/ram_fs/main.cc
index a59f6e6b1d..89a4cc01f5 100644
--- a/repos/os/src/server/ram_fs/main.cc
+++ b/repos/os/src/server/ram_fs/main.cc
@@ -18,7 +18,6 @@
 #include <base/attached_rom_dataspace.h>
 #include <base/heap.h>
 #include <root/component.h>
-#include <base/attached_rom_dataspace.h>
 #include <os/session_policy.h>
 
 /* local includes */
@@ -619,6 +618,9 @@ static void preload_content(Genode::Env            &env,
 			/* read file content from ROM module */
 			try {
 				Attached_rom_dataspace rom(env, name);
+				if (!rom.valid())
+					throw Rm_session::Attach_failed();
+
 				File *file = new (&alloc) File(alloc, as);
 				file->write(rom.local_addr<char>(), rom.size(), 0);
 				dir.adopt_unsynchronized(file);