Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h
index 41615f3..f07c55e 100644
--- a/include/linux/fdtable.h
+++ b/include/linux/fdtable.h
@@ -121,6 +121,7 @@
 		      unsigned int fd, struct file *file);
 extern int __close_fd(struct files_struct *files,
 		      unsigned int fd);
+extern int __close_fd_get_file(unsigned int fd, struct file **res);
 
 extern struct kmem_cache *files_cachep;