diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index e8aa99d..4f5d6d0 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -818,6 +818,8 @@
 			goto free;
 	}
 
+	slots = chip->num_slots;	/* Quirk may have changed this */
+
 	for (i = 0;i < slots;i++) {
 		slot = sdhci_pci_probe_slot(pdev, chip, first_bar + i);
 		if (IS_ERR(slot)) {