impact: we temporary allocate one more kilobyte

better fix would be dynamically allocate what we need...


(backported from trunk)

of devices such as servers)

(modalias_init) split it out of modalias_resolve_module()

(modalias_cleanup) move libkmod related cleanups here

(hid_probe,find_modules_through_aliases) only initialize libkmod once
(which reduces user time from 0.26 to 0.08s & elapsed time from 0.28 to
0.9s)

(backported from trunk)