diff --git a/drivers/hid/intel-thc-hid/intel-quickspi/pci-quickspi.c b/drivers/hid/intel-thc-hid/intel-quickspi/pci-quickspi.c
index 89226f5ce45e..ad676fde211b 100644
--- a/drivers/hid/intel-thc-hid/intel-quickspi/pci-quickspi.c
+++ b/drivers/hid/intel-thc-hid/intel-quickspi/pci-quickspi.c
@@ -552,7 +552,8 @@ static int quickspi_alloc_report_buf(struct quickspi_device *qsdev)
 	max_input_len = max(le16_to_cpu(qsdev->dev_desc.rep_desc_len),
 			    le16_to_cpu(qsdev->dev_desc.max_input_len));
 
-	qsdev->input_buf = devm_kzalloc(qsdev->dev, max_input_len, GFP_KERNEL);
+	qsdev->input_buf = devm_kzalloc(qsdev->dev,
+					HIDSPI_INPUT_BODY_SIZE(max_input_len), GFP_KERNEL);
 	if (!qsdev->input_buf)
 		return -ENOMEM;