diff --git a/sound/soc/sh/rz-ssi.c b/sound/soc/sh/rz-ssi.c
index 353863f49b31..54f096bdc7ee 100644
--- a/sound/soc/sh/rz-ssi.c
+++ b/sound/soc/sh/rz-ssi.c
@@ -484,6 +484,8 @@ static int rz_ssi_pio_send(struct rz_ssi_priv *ssi, struct rz_ssi_stream *strm)
 	sample_space = strm->fifo_sample_size;
 	ssifsr = rz_ssi_reg_readl(ssi, SSIFSR);
 	sample_space -= (ssifsr >> SSIFSR_TDC_SHIFT) & SSIFSR_TDC_MASK;
+	if (sample_space < 0)
+		return -EINVAL;
 
 	/* Only add full frames at a time */
 	while (frames_left && (sample_space >= runtime->channels)) {