From 7c0b2eb0f5beb7936699a8d0dc7eeeb2427910dc Mon Sep 17 00:00:00 2001
From: Brian Gianforcaro <bgianf@serenityos.org>
Date: Fri, 28 May 2021 05:42:03 -0700
Subject: [PATCH] Kernel: Handle OOM of file system in sys$mount

---
 Kernel/Syscalls/mount.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Kernel/Syscalls/mount.cpp b/Kernel/Syscalls/mount.cpp
index 917d6968b4..237bb48a01 100644
--- a/Kernel/Syscalls/mount.cpp
+++ b/Kernel/Syscalls/mount.cpp
@@ -95,6 +95,9 @@ KResultOr<int> Process::sys$mount(Userspace<const Syscall::SC_mount_params*> use
         return ENODEV;
     }
 
+    if (!fs)
+        return ENOMEM;
+
     if (!fs->initialize()) {
         dbgln("mount: failed to initialize {} filesystem, fd={}", fs_type, source_fd);
         return ENODEV;