diff --git a/drivers/accel/ethosu/ethosu_gem.c b/drivers/accel/ethosu/ethosu_gem.c
index 27c5fdbe9a5d..2cb7964ddfa5 100644
--- a/drivers/accel/ethosu/ethosu_gem.c
+++ b/drivers/accel/ethosu/ethosu_gem.c
@@ -164,6 +164,9 @@ static u64 dma_length(struct ethosu_validated_cmdstream_info *info,
 	s8 mode = dma_st->mode;
 	u64 len = dma->len;
 
+	if (len == U64_MAX)
+		return U64_MAX;
+
 	if (mode >= 1) {
 		if (dma->stride[0] < 0 && (u64)(-dma->stride[0]) > len)
 			return U64_MAX;