Kernel: Make FileSystem::initialize() return KResult

This forced me to also come up with error codes for a bunch of
situations where we'd previously just panic the kernel.

1 files changed, 6 insertions, 4 deletions

diff --git a/Kernel/FileSystem/DevPtsFS.cpp b/Kernel/FileSystem/DevPtsFS.cpp
index ee5c2a4b46..2290449b29 100644
--- a/Kernel/FileSystem/DevPtsFS.cpp
+++ b/Kernel/FileSystem/DevPtsFS.cpp
@@ -27,17 +27,19 @@ DevPtsFS::~DevPtsFS()
 
 static Singleton<HashTable<unsigned>> s_ptys;
 
-bool DevPtsFS::initialize()
+KResult DevPtsFS::initialize()
 {
-    m_root_inode = adopt_ref(*new DevPtsFSInode(*this, 1, nullptr));
+    m_root_inode = adopt_ref_if_nonnull(new (nothrow) DevPtsFSInode(*this, 1, nullptr));
+    if (!m_root_inode)
+        return ENOMEM;
+
     m_root_inode->m_metadata.inode = { fsid(), 1 };
     m_root_inode->m_metadata.mode = 0040555;
     m_root_inode->m_metadata.uid = 0;
     m_root_inode->m_metadata.gid = 0;
     m_root_inode->m_metadata.size = 0;
     m_root_inode->m_metadata.mtime = mepoch;
-
-    return true;
+    return KSuccess;
 }
 
 static unsigned inode_index_to_pty_index(InodeIndex inode_index)