Message ID | 491c651b075ac51f1c54f561bebaaac6dfc7f8de.1713789200.git.manos.pitsidianakis@linaro.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | virtio_snd_set_config: Fix #2296 | expand |
Hi Manos, On 22/4/24 14:52, Manos Pitsidianakis wrote: > Factor out virtio_snd_config value validation in a separate function, in > order to re-use it in follow up commits. > > Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org> > --- > hw/audio/virtio-snd.c | 47 ++++++++++++++++++++++++++----------------- > 1 file changed, 29 insertions(+), 18 deletions(-) > > diff --git a/hw/audio/virtio-snd.c b/hw/audio/virtio-snd.c > index c80b58bf5d..7ca9ed251c 100644 > --- a/hw/audio/virtio-snd.c > +++ b/hw/audio/virtio-snd.c > @@ -1045,6 +1045,34 @@ virtio_snd_vm_state_change(void *opaque, bool running, > } > } > > +static bool > +virtio_snd_is_config_valid(virtio_snd_config snd_conf, Error **errp) > +{ > + if (snd_conf.jacks > 8) { > + error_setg(errp, > + "Invalid number of jacks: %"PRIu32 > + ": maximum value is 8", snd_conf.jacks); > + return false; > + } > + if (snd_conf.streams < 1 || snd_conf.streams > 64) { Why the undocumented 10 -> 64 change? > + error_setg(errp, > + "Invalid number of streams: %"PRIu32 > + ": minimum value is 1, maximum value is 64", > + snd_conf.streams); > + return false; > + } > + > + if (snd_conf.chmaps > VIRTIO_SND_CHMAP_MAX_SIZE) { > + error_setg(errp, > + "Invalid number of channel maps: %"PRIu32 > + ": VIRTIO v1.2 sets the maximum value at %"PRIu32, > + snd_conf.chmaps, VIRTIO_SND_CHMAP_MAX_SIZE); > + return false; > + } > + > + return true; > +} > + > static void virtio_snd_realize(DeviceState *dev, Error **errp) > { > ERRP_GUARD(); > @@ -1055,24 +1083,7 @@ static void virtio_snd_realize(DeviceState *dev, Error **errp) > > trace_virtio_snd_realize(vsnd); > > - /* check number of jacks and streams */ > - if (vsnd->snd_conf.jacks > 8) { > - error_setg(errp, > - "Invalid number of jacks: %"PRIu32, > - vsnd->snd_conf.jacks); > - return; > - } > - if (vsnd->snd_conf.streams < 1 || vsnd->snd_conf.streams > 10) { > - error_setg(errp, > - "Invalid number of streams: %"PRIu32, > - vsnd->snd_conf.streams); > - return; > - } > - > - if (vsnd->snd_conf.chmaps > VIRTIO_SND_CHMAP_MAX_SIZE) { > - error_setg(errp, > - "Invalid number of channel maps: %"PRIu32, > - vsnd->snd_conf.chmaps); > + if (!virtio_snd_is_config_valid(vsnd->snd_conf, errp)) { > return; > } >
diff --git a/hw/audio/virtio-snd.c b/hw/audio/virtio-snd.c index c80b58bf5d..7ca9ed251c 100644 --- a/hw/audio/virtio-snd.c +++ b/hw/audio/virtio-snd.c @@ -1045,6 +1045,34 @@ virtio_snd_vm_state_change(void *opaque, bool running, } } +static bool +virtio_snd_is_config_valid(virtio_snd_config snd_conf, Error **errp) +{ + if (snd_conf.jacks > 8) { + error_setg(errp, + "Invalid number of jacks: %"PRIu32 + ": maximum value is 8", snd_conf.jacks); + return false; + } + if (snd_conf.streams < 1 || snd_conf.streams > 64) { + error_setg(errp, + "Invalid number of streams: %"PRIu32 + ": minimum value is 1, maximum value is 64", + snd_conf.streams); + return false; + } + + if (snd_conf.chmaps > VIRTIO_SND_CHMAP_MAX_SIZE) { + error_setg(errp, + "Invalid number of channel maps: %"PRIu32 + ": VIRTIO v1.2 sets the maximum value at %"PRIu32, + snd_conf.chmaps, VIRTIO_SND_CHMAP_MAX_SIZE); + return false; + } + + return true; +} + static void virtio_snd_realize(DeviceState *dev, Error **errp) { ERRP_GUARD(); @@ -1055,24 +1083,7 @@ static void virtio_snd_realize(DeviceState *dev, Error **errp) trace_virtio_snd_realize(vsnd); - /* check number of jacks and streams */ - if (vsnd->snd_conf.jacks > 8) { - error_setg(errp, - "Invalid number of jacks: %"PRIu32, - vsnd->snd_conf.jacks); - return; - } - if (vsnd->snd_conf.streams < 1 || vsnd->snd_conf.streams > 10) { - error_setg(errp, - "Invalid number of streams: %"PRIu32, - vsnd->snd_conf.streams); - return; - } - - if (vsnd->snd_conf.chmaps > VIRTIO_SND_CHMAP_MAX_SIZE) { - error_setg(errp, - "Invalid number of channel maps: %"PRIu32, - vsnd->snd_conf.chmaps); + if (!virtio_snd_is_config_valid(vsnd->snd_conf, errp)) { return; }
Factor out virtio_snd_config value validation in a separate function, in order to re-use it in follow up commits. Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org> --- hw/audio/virtio-snd.c | 47 ++++++++++++++++++++++++++----------------- 1 file changed, 29 insertions(+), 18 deletions(-)