svn commit: r367892 - head/sys/dev/sound/pcm
Konstantin Belousov
kib at FreeBSD.org
Fri Nov 20 14:02:44 UTC 2020
Author: kib
Date: Fri Nov 20 14:02:43 2020
New Revision: 367892
URL: https://svnweb.freebsd.org/changeset/base/367892
Log:
Unlock channels when any of them are locked, when returning for non-busy state.
Reported and tested by: "Wall, Stephen" <stephen.wall at redcom.com>
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Modified:
head/sys/dev/sound/pcm/dsp.c
Modified: head/sys/dev/sound/pcm/dsp.c
==============================================================================
--- head/sys/dev/sound/pcm/dsp.c Fri Nov 20 13:00:28 2020 (r367891)
+++ head/sys/dev/sound/pcm/dsp.c Fri Nov 20 14:02:43 2020 (r367892)
@@ -857,6 +857,8 @@ dsp_io_ops(struct cdev *i_dev, struct uio *buf)
getchns(i_dev, &rdch, &wrch, prio);
if (*ch == NULL || !((*ch)->flags & CHN_F_BUSY)) {
+ if (rdch != NULL || wrch != NULL)
+ relchns(i_dev, rdch, wrch, prio);
PCM_GIANT_EXIT(d);
return (EBADF);
}
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