sound/pci/echoaudio/echoaudio_dsp.c:647:23: warning: iteration 1073741824 invokes undefined behavior [-Waggressive-loop-optimizations] sound/pci/echoaudio/echoaudio_dsp.c:658:23: warning: iteration 1073741824 invokes undefined behavior [-Waggressive-loop-optimizations] sound/pci/echoaudio/echoaudio_dsp.c:647:23: warning: iteration 1073741824 invokes undefined behavior [-Waggressive-loop-optimizations] depmod: WARNING: could not open modules.builtin.modinfo at /tmp/kci/linux/build/_modules_/lib/modules/4.19.322-cip112: No such file or directory