1 files changed, 10 insertions, 4 deletions
diff --git a/kernel/filesystem/src/open_file_description.cpp b/kernel/filesystem/src/open_file_description.cpp
index d483746..9ebf67d 100644
--- a/kernel/filesystem/src/open_file_description.cpp
+++ b/kernel/filesystem/src/open_file_description.cpp
@@ -2,18 +2,25 @@
 
 #include "filesystem/file.hpp"
 
+#include <kstd/memory>
+#include <kstd/os/error.hpp>
+
 #include <cstddef>
 
 namespace filesystem
 {
-  open_file_description::open_file_description(file * file)
+  open_file_description::open_file_description(kstd::shared_ptr<file> file)
       : m_file(file)
       , m_offset(0)
-  {}
+  {
+    if (!file)
+    {
+      kstd::os::panic("[FILESYSTEM] open_file_description constructed with null file.");
+    }
+  }
 
   auto open_file_description::read(void * buffer, size_t size) -> size_t
   {
-    // TODO BA-FS26 nullptr check
     auto read_bytes = m_file->read(buffer, m_offset, size);
     m_offset += read_bytes;
     return read_bytes;
@@ -21,7 +28,6 @@ namespace filesystem
 
   auto open_file_description::write(void const * buffer, size_t size) -> size_t
   {
-    // TODO BA-FS26 nullptr check
     auto written_bytes = m_file->write(buffer, m_offset, size);
     m_offset += written_bytes;
     return written_bytes;