diff --git a/drivers/mmc/host/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c
index d12a068b0f9e..721e5dd1eb7d 100644
--- a/drivers/mmc/host/via-sdmmc.c
+++ b/drivers/mmc/host/via-sdmmc.c
@@ -857,6 +857,9 @@ static void via_sdc_data_isr(struct via_crdr_mmc_host *host, u16 intmask)
 {
 	BUG_ON(intmask == 0);
 
+	if (!host->data)
+		return;
+
 	if (intmask & VIA_CRDR_SDSTS_DT)
 		host->data->error = -ETIMEDOUT;
 	else if (intmask & (VIA_CRDR_SDSTS_RC | VIA_CRDR_SDSTS_WC))