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-rw-r--r--sound/usb/power.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/usb/power.c b/sound/usb/power.c
index bd303a1ba1b7..606a2cb23eab 100644
--- a/sound/usb/power.c
+++ b/sound/usb/power.c
@@ -31,6 +31,8 @@ snd_usb_find_power_domain(struct usb_host_interface *ctrl_iface,
struct uac3_power_domain_descriptor *pd_desc = p;
int i;
+ if (!snd_usb_validate_audio_desc(p, UAC_VERSION_3))
+ continue;
for (i = 0; i < pd_desc->bNrEntities; i++) {
if (pd_desc->baEntityID[i] == id) {
pd->pd_id = pd_desc->bPowerDomainID;