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alsa-ucm: validate access to PA_DEVICE_PORT_DATA()

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2019-12-04 19:33:01 +01:00 • committed by Arun Raghavan
parent f5c02dfcd8
commit e6779ad229
3 changed files with 8 additions and 4 deletions
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6
src/modules/alsa/module-alsa-card.c
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@ -538,6 +538,9 @@ static int hdmi_eld_changed(snd_mixer_elem_t *melem, unsigned int mask) {
if (mask == SND_CTL_EVENT_MASK_REMOVE)
return 0;
if (u->use_ucm)
return 0;
p = find_port_with_eld_device(u->card->ports, device);
if (p == NULL) {
pa_log_error("Invalid device changed in ALSA: %d", device);
@ -900,7 +903,8 @@ int pa__init(pa_module *m) {
* results in an infinite loop of "fill buffer, handle underrun". To work
* around this issue, the suspend_when_unavailable flag is used to stop
* playback when the HDMI cable is unplugged. */
if (pa_safe_streq(pa_proplist_gets(data.proplist, "alsa.driver_name"), "snd_hdmi_lpe_audio")) {
if (!u->use_ucm &&
pa_safe_streq(pa_proplist_gets(data.proplist, "alsa.driver_name"), "snd_hdmi_lpe_audio")) {
pa_device_port *port;
void *state;