1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index ec555951176e..43b875810d1b 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -67,7 +67,7 @@ static int __init ahci_probe(struct platform_device *pdev)
         struct device *dev = &pdev->dev;
         struct ahci_platform_data *pdata = dev_get_platdata(dev);
         const struct platform_device_id *id = platform_get_device_id(pdev);
-        struct ata_port_info pi = ahci_port_info[id->driver_data];
+        struct ata_port_info pi = ahci_port_info[id ? id->driver_data : 0];
         const struct ata_port_info *ppi[] = { &pi, NULL };
         struct ahci_host_priv *hpriv;
         struct ata_host *host;