[PATCH] ALSA: firewire-lib: Fix 'amdtp_domain_start()' when no AMDTP_OUT_STREAM stream is found

[Dan Carpenter]

On Fri, Jun 25, 2021 at 06:05:50AM +0900, Takashi Sakamoto wrote:
> 
> In kernel v5.10 or later, we can use 'list_entry_is_head()' macro added
> by a commit e130816164e2 ("include/linux/list.h: add a macro to test if
> entry is pointing to the head").

Someone needs to backport that all the way back...

regards,
dan carpenter