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diff --git a/sys/dev/sound/pcm/vchan.c b/sys/dev/sound/pcm/vchan.c
--- a/sys/dev/sound/pcm/vchan.c
+++ b/sys/dev/sound/pcm/vchan.c
@@ -676,6 +676,8 @@
uint32_t vchanfmt, vchanspd;
int ret, direction, r, save;
+ ret = 0;
+ save = 0;
d = parent->parentsnddev;
PCM_BUSYASSERT(d);
@@ -688,8 +690,6 @@
parent->direction == PCMDIR_REC))
return (EINVAL);
- d = parent->parentsnddev;
-
CHN_UNLOCK(parent);
PCM_LOCK(d);
@@ -728,14 +728,13 @@
parent->flags |= CHN_F_HAS_VCHAN;
- ret = 0;
parent_caps = chn_getcaps(parent);
- if (parent_caps == NULL)
+ if (parent_caps == NULL) {
ret = EINVAL;
+ goto fail;
+ }
- save = 0;
-
- if (ret == 0 && vchanfmt == 0) {
+ if (vchanfmt == 0) {
const char *vfmt;
CHN_UNLOCK(parent);
@@ -755,7 +754,7 @@
save = 1;
}
- if (ret == 0 && vchanspd == 0) {
+ if (vchanspd == 0) {
/*
* This is very sad. Few soundcards advertised as being
* able to do (insanely) higher/lower speed, but in
@@ -776,23 +775,22 @@
save = 1;
}
- if (ret == 0) {
- /*
- * Limit the speed between feeder_rate_min <-> feeder_rate_max.
- */
- RANGE(vchanspd, feeder_rate_min, feeder_rate_max);
-
- if (feeder_rate_round) {
- RANGE(vchanspd, parent_caps->minspeed,
- parent_caps->maxspeed);
- vchanspd = CHANNEL_SETSPEED(parent->methods,
- parent->devinfo, vchanspd);
- }
+ /*
+ * Limit the speed between feeder_rate_min <-> feeder_rate_max.
+ */
+ RANGE(vchanspd, feeder_rate_min, feeder_rate_max);
- ret = chn_reset(parent, vchanfmt, vchanspd);
+ if (feeder_rate_round) {
+ RANGE(vchanspd, parent_caps->minspeed,
+ parent_caps->maxspeed);
+ vchanspd = CHANNEL_SETSPEED(parent->methods,
+ parent->devinfo, vchanspd);
}
- if (ret == 0 && save) {
+ if ((ret = chn_reset(parent, vchanfmt, vchanspd)) != 0)
+ goto fail;
+
+ if (save) {
/*
* Save new value.
*/
@@ -809,23 +807,24 @@
* If the parent channel supports digital format,
* enable passthrough mode.
*/
- if (ret == 0 && snd_fmtvalid(AFMT_PASSTHROUGH, parent_caps->fmtlist)) {
+ if (snd_fmtvalid(AFMT_PASSTHROUGH, parent_caps->fmtlist)) {
parent->flags &= ~CHN_F_VCHAN_DYNAMIC;
parent->flags |= CHN_F_VCHAN_PASSTHROUGH;
}
- if (ret != 0) {
- CHN_REMOVE(parent, ch, children);
- parent->flags &= ~CHN_F_HAS_VCHAN;
- CHN_UNLOCK(parent);
- PCM_LOCK(d);
- if (pcm_chn_remove(d, ch) == 0) {
- PCM_UNLOCK(d);
- chn_kill(ch);
- } else
- PCM_UNLOCK(d);
- CHN_LOCK(parent);
- }
+ return (ret);
+
+fail:
+ CHN_REMOVE(parent, ch, children);
+ parent->flags &= ~CHN_F_HAS_VCHAN;
+ CHN_UNLOCK(parent);
+ PCM_LOCK(d);
+ if (pcm_chn_remove(d, ch) == 0) {
+ PCM_UNLOCK(d);
+ chn_kill(ch);
+ } else
+ PCM_UNLOCK(d);
+ CHN_LOCK(parent);
return (ret);
}

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