From 538a3a2579fbd93deeb23a41ea4de641d384933c Mon Sep 17 00:00:00 2001
From: Ben Wiederhake <BenWiederhake.GitHub@gmx.de>
Date: Fri, 31 Jul 2020 11:21:33 +0200
Subject: [PATCH] Userland: Add missing checks for MappedFile.is_valid()

---
 Userland/disasm.cpp | 4 ++++
 Userland/unzip.cpp  | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/Userland/disasm.cpp b/Userland/disasm.cpp
index 3e03a5572e..3cd61907da 100644
--- a/Userland/disasm.cpp
+++ b/Userland/disasm.cpp
@@ -37,6 +37,10 @@ int main(int argc, char** argv)
     }
 
     MappedFile file(argv[1]);
+    if (!file.is_valid()) {
+        // Already printed some error message.
+        return 1;
+    }
 
     X86::SimpleInstructionStream stream((const u8*)file.data(), file.size());
     X86::Disassembler disassembler(stream);
diff --git a/Userland/unzip.cpp b/Userland/unzip.cpp
index 93245c2ae7..7fc6bfd921 100644
--- a/Userland/unzip.cpp
+++ b/Userland/unzip.cpp
@@ -183,6 +183,8 @@ int main(int argc, char** argv)
     }
 
     MappedFile mapped_file { zip_file_path };
+    if (!mapped_file.is_valid())
+        return 1;
 
     printf("Archive: %s\n", zip_file_path.characters());