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Diffstat (limited to 'sound/usb/validate.c')
-rw-r--r--sound/usb/validate.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/usb/validate.c b/sound/usb/validate.c
index a5e584b60dcd..389e8657434a 100644
--- a/sound/usb/validate.c
+++ b/sound/usb/validate.c
@@ -81,9 +81,9 @@ static bool validate_processing_unit(const void *p,
switch (v->protocol) {
case UAC_VERSION_1:
default:
- /* bNrChannels, wChannelConfig, iChannelNames, bControlSize */
- len += 1 + 2 + 1 + 1;
- if (d->bLength < len) /* bControlSize */
+ /* bNrChannels, wChannelConfig, iChannelNames */
+ len += 1 + 2 + 1;
+ if (d->bLength < len + 1) /* bControlSize */
return false;
m = hdr[len];
len += 1 + m + 1; /* bControlSize, bmControls, iProcessing */