D45603.diff
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	diff --git a/sys/dev/sound/pcm/dsp.c b/sys/dev/sound/pcm/dsp.c
	--- a/sys/dev/sound/pcm/dsp.c
	+++ b/sys/dev/sound/pcm/dsp.c
	@@ -2047,6 +2047,7 @@
	ai->dev = unit;
	snprintf(ai->name, sizeof(ai->name), "pcm%d (unavailable)", unit);
	ai->pid = -1;
	+ strlcpy(ai->cmd, CHN_COMM_UNUSED, sizeof(ai->cmd));
	ai->card_number = unit;
	ai->port_number = unit;
	ai->mixer_dev = -1;
	@@ -2132,6 +2133,7 @@
	ai->dev = unit;
	strlcpy(ai->name, device_get_desc(d->dev), sizeof(ai->name));
	ai->pid = -1;
	+ strlcpy(ai->cmd, CHN_COMM_UNKNOWN, sizeof(ai->cmd));
	ai->card_number = -1;
	ai->port_number = -1;
	ai->mixer_dev = (d->mixer_dev != NULL) ? unit : -1;
	@@ -2317,14 +2319,8 @@
	else
	ai->busy = (ch->direction == PCMDIR_PLAY) ? OPEN_WRITE : OPEN_READ;

	- /**
	- * @note
	- * @c cmd - OSSv4 docs: "Only supported under Linux at
	- * this moment." Cop-out, I know, but I'll save
	- * running around in the process table for later.
	- * Is there a risk of leaking information?
	- */
	ai->pid = ch->pid;
	+ strlcpy(ai->cmd, ch->comm, sizeof(ai->cmd));

	/*
	* These flags stolen from SNDCTL_DSP_GETCAPS handler.