When compiling driver for rtl8189fs, a warning was generated without terminating the compilation:
WARNING: module 8189fs uses symbol kernel_read from namespace VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver, but does not import it.
When inserting this module, this warning is printed to the kernel buffer and the insertion failed.
Driver source: rtl8189ES_linux
Kernel version: 5.4.61