ALSA: firewire-lib: split helper function to check incoming CIP header

A parser for CIP header in incoming packet is enough large.

This commit splits it into a helper function to better looks of packet
handler.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2019-05-22 23:17:06 +09:00 • committed by Takashi Iwai
commit e335425b65