diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index a1c8f72ccc21..b46b825aaeb5 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2217,6 +2217,10 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id)
 		/* Handle SDIO Interrupts */
 		for (i = 0; i < host->num_slots; i++) {
 			struct dw_mci_slot *slot = host->slot[i];
+
+			if (!slot)
+				continue;
+
 			if (pending & SDMMC_INT_SDIO(slot->sdio_id)) {
 				mci_writel(host, RINTSTS,
 					   SDMMC_INT_SDIO(slot->sdio_id));