diff --git a/drivers/staging/qcacld-2.0/CORE/SERVICES/WMA/wma.c b/drivers/staging/qcacld-2.0/CORE/SERVICES/WMA/wma.c
index 006f89bb9124bb8abc0f63d9e875aaca3166f996..1c7e3fdb5923dd7337314a9dde1cc91147ddd10a 100644
--- a/drivers/staging/qcacld-2.0/CORE/SERVICES/WMA/wma.c
+++ b/drivers/staging/qcacld-2.0/CORE/SERVICES/WMA/wma.c
@@ -5264,6 +5264,14 @@ static int wma_unified_power_debug_stats_event_handler(void *handle,
 		return -EINVAL;
 	}
 
+	if (param_buf->num_debug_register > ((WMA_SVC_MSG_MAX_SIZE -
+		sizeof(wmi_pdev_chip_power_stats_event_fixed_param)) /
+		sizeof(uint32_t))) {
+		WMA_LOGE("excess payload: LEN num_debug_register:%u",
+			 param_buf->num_debug_register);
+		return -EINVAL;
+	}
+
 	debug_registers = param_tlvs->debug_registers;
 	stats_registers_len =
 			(sizeof(uint32_t) * param_buf->num_debug_register);