Page Menu
Home
FreeBSD
Search
Configure Global Search
Log In
Files
F175296606
D60512.diff
No One
Temporary
Actions
View File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Flag For Later
Award Token
Size
2 KB
Referenced Files
None
Subscribers
None
D60512.diff
View Options
diff --git a/sys/dev/sound/pcm/channel.c b/sys/dev/sound/pcm/channel.c
--- a/sys/dev/sound/pcm/channel.c
+++ b/sys/dev/sound/pcm/channel.c
@@ -1151,7 +1151,6 @@
int err, i, direction, *vchanrate, *vchanformat;
PCM_BUSYASSERT(d);
- PCM_LOCKASSERT(d);
switch (dir) {
case PCMDIR_PLAY:
@@ -1181,7 +1180,6 @@
return (NULL);
}
- PCM_UNLOCK(d);
b = NULL;
bs = NULL;
@@ -1261,7 +1259,6 @@
goto fail;
}
- PCM_LOCK(d);
CHN_INSERT_SORT_ASCEND(d, c, channels.pcm);
if ((c->flags & CHN_F_VIRTUAL) == 0) {
CHN_INSERT_SORT_ASCEND(d, c, channels.pcm.primary);
@@ -1274,7 +1271,6 @@
fail:
chn_kill(c);
- PCM_LOCK(d);
return (NULL);
}
@@ -1288,7 +1284,6 @@
PCM_BUSYASSERT(c->parentsnddev);
- PCM_LOCK(d);
CHN_REMOVE(d, c, channels.pcm);
if ((c->flags & CHN_F_VIRTUAL) == 0)
CHN_REMOVE(d, c, channels.pcm.primary);
@@ -1309,7 +1304,6 @@
default:
__assert_unreachable();
}
- PCM_UNLOCK(d);
if (CHN_STARTED(c)) {
CHN_LOCK(c);
diff --git a/sys/dev/sound/pcm/sound.h b/sys/dev/sound/pcm/sound.h
--- a/sys/dev/sound/pcm/sound.h
+++ b/sys/dev/sound/pcm/sound.h
@@ -209,7 +209,6 @@
#define PCM_LOCK(d) mtx_lock(&(d)->lock)
#define PCM_UNLOCK(d) mtx_unlock(&(d)->lock)
-#define PCM_LOCKASSERT(d) mtx_assert(&(d)->lock, MA_OWNED)
#define PCM_UNLOCKASSERT(d) mtx_assert(&(d)->lock, MA_NOTOWNED)
#define PCM_ACQUIRE(d) do { \
diff --git a/sys/dev/sound/pcm/sound.c b/sys/dev/sound/pcm/sound.c
--- a/sys/dev/sound/pcm/sound.c
+++ b/sys/dev/sound/pcm/sound.c
@@ -133,14 +133,12 @@
int err = 0;
PCM_ACQUIRE(d);
- PCM_LOCK(d);
ch = chn_init(d, NULL, cls, dir, devinfo);
if (!ch) {
device_printf(d->dev, "chn_init(%s, %d, %p) failed\n",
cls->name, dir, devinfo);
err = ENODEV;
}
- PCM_UNLOCK(d);
PCM_RELEASE(d);
return (err);
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
@@ -605,14 +605,12 @@
return (EINVAL);
CHN_UNLOCK(parent);
- PCM_LOCK(d);
/*
* This is the only place where channels are created at runtime, so do
* not create any if we are tearing down.
*/
if (!PCM_REGISTERED(d)) {
- PCM_UNLOCK(d);
CHN_LOCK(parent);
return (ENODEV);
}
@@ -630,11 +628,9 @@
/* create a new playback channel */
ch = chn_init(d, parent, &vchan_class, direction, parent);
if (ch == NULL) {
- PCM_UNLOCK(d);
CHN_LOCK(parent);
return (ENODEV);
}
- PCM_UNLOCK(d);
CHN_LOCK(parent);
CHN_INSERT_SORT_ASCEND(parent, ch, children);
File Metadata
Details
Attached
Mime Type
text/plain
Expires
Sat, Oct 10, 6:26 PM (17 h, 31 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
40538123
Default Alt Text
D60512.diff (2 KB)
Attached To
Mode
D60512: sound: Stop taking PCM_LOCK to create and destroy channels
Attached
Detach File
Event Timeline
Log In to Comment