git: ace5484e48c9 - stable/14 - sound: Call DSP_REGISTERED before PCM_DETACHING
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Date: Sun, 27 Oct 2024 16:33:08 UTC
The branch stable/14 has been updated by christos: URL: https://cgit.FreeBSD.org/src/commit/?id=ace5484e48c9c8585cf914963912ee1ebf35327a commit ace5484e48c9c8585cf914963912ee1ebf35327a Author: Christos Margiolis <christos@FreeBSD.org> AuthorDate: 2024-10-24 11:37:01 +0000 Commit: Christos Margiolis <christos@FreeBSD.org> CommitDate: 2024-10-27 16:32:16 +0000 sound: Call DSP_REGISTERED before PCM_DETACHING DSP_REGISTERED first checks if the softc is not null, through PCM_REGISTERED, which in turn calls PCM_ALIVE, whereas PCM_DETACHING accesses the softc flags directly. Sponsored by: The FreeBSD Foundation MFC after: 2 days Reviewed by: dev_submerge.ch, markj, emaste Differential Revision: https://reviews.freebsd.org/D47195 (cherry picked from commit 9693241188aa6882166b091d9006f9d0affeda7e) --- sys/dev/sound/pcm/dsp.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/sys/dev/sound/pcm/dsp.c b/sys/dev/sound/pcm/dsp.c index d4f7e3d6e63f..6573dfaabf2f 100644 --- a/sys/dev/sound/pcm/dsp.c +++ b/sys/dev/sound/pcm/dsp.c @@ -196,7 +196,7 @@ dsp_close(void *data) d = priv->sc; /* At this point pcm_unregister() will destroy all channels anyway. */ - if (PCM_DETACHING(d)) + if (!DSP_REGISTERED(d) || PCM_DETACHING(d)) goto skip; PCM_GIANT_ENTER(d); @@ -301,7 +301,7 @@ dsp_open(struct cdev *i_dev, int flags, int mode, struct thread *td) return (ENODEV); d = i_dev->si_drv1; - if (PCM_DETACHING(d) || !PCM_REGISTERED(d)) + if (!DSP_REGISTERED(d) || PCM_DETACHING(d)) return (EBADF); priv = malloc(sizeof(*priv), M_DEVBUF, M_WAITOK | M_ZERO); @@ -485,7 +485,7 @@ dsp_io_ops(struct dsp_cdevpriv *priv, struct uio *buf) ("%s(): io train wreck!", __func__)); d = priv->sc; - if (PCM_DETACHING(d) || !DSP_REGISTERED(d)) + if (!DSP_REGISTERED(d) || PCM_DETACHING(d)) return (EBADF); PCM_GIANT_ENTER(d); @@ -704,7 +704,7 @@ dsp_ioctl(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode, return (err); d = priv->sc; - if (PCM_DETACHING(d) || !DSP_REGISTERED(d)) + if (!DSP_REGISTERED(d) || PCM_DETACHING(d)) return (EBADF); PCM_GIANT_ENTER(d); @@ -1823,7 +1823,7 @@ dsp_poll(struct cdev *i_dev, int events, struct thread *td) if ((err = devfs_get_cdevpriv((void **)&priv)) != 0) return (err); d = priv->sc; - if (PCM_DETACHING(d) || !DSP_REGISTERED(d)) { + if (!DSP_REGISTERED(d) || PCM_DETACHING(d)) { /* XXX many clients don't understand POLLNVAL */ return (events & (POLLHUP | POLLPRI | POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM)); @@ -1905,7 +1905,7 @@ dsp_mmap_single(struct cdev *i_dev, vm_ooffset_t *offset, if ((err = devfs_get_cdevpriv((void **)&priv)) != 0) return (err); d = priv->sc; - if (PCM_DETACHING(d) || !DSP_REGISTERED(d)) + if (!DSP_REGISTERED(d) || PCM_DETACHING(d)) return (EINVAL); PCM_GIANT_ENTER(d);