diff --git a/drivers/ata/ahci_seattle.c b/drivers/ata/ahci_seattle.c
index 6e702ab572204deb87d96c0bd399b42d42f2a1f0..1d31c0c0fc20b48c287d2df293776cf9c1e52329 100644
--- a/drivers/ata/ahci_seattle.c
+++ b/drivers/ata/ahci_seattle.c
@@ -137,7 +137,7 @@ static const struct ata_port_info *ahci_seattle_get_port_info(
 	u32 val;
 
 	plat_data = devm_kzalloc(dev, sizeof(*plat_data), GFP_KERNEL);
-	if (IS_ERR(plat_data))
+	if (!plat_data)
 		return &ahci_port_info;
 
 	plat_data->sgpio_ctrl = devm_ioremap_resource(dev,