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-rw-r--r--sound/usb/quirks.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 5b03296a5bd9..529c35cceaa6 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -180,6 +180,12 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
}
alts = &iface->altsetting[fp->altset_idx];
altsd = get_iface_desc(alts);
+ if (altsd->bNumEndpoints < 1) {
+ kfree(fp);
+ kfree(rate_table);
+ return -EINVAL;
+ }
+
fp->protocol = altsd->bInterfaceProtocol;
if (fp->datainterval == 0)