How to determine if a specific module is loaded in linux kernel

Question

I am just curious is there any way to determine if a particular module is loaded/installed.

$lsmod lists all modules (device driver loaded).

Is there any way to

Answer 1

My short way to find if a given module is actually loaded:

cat /proc/modules | grep -c nfnetlink

which outputs

2

That 2 (TWO) means the module is LOADED. The actual output without -c shows all loaded modules with MODULENAME - -c counts the lines that contain MODULENAME. So if you have 0 (ZERO) lines as output then the module is not loaded