mfd: ls2kbmc: check for devm_mfd_add_devices() failure

Call pci_disable_device() if devm_mfd_add_devices() fails.

Fixes: 0d64f6d ("mfd: ls2kbmc: Introduce Loongson-2K BMC core driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Message-ID: <e3e7cf2cfded48c9fca8bc981c54bbcb7edb9580.1759478975.git.dan.carpenter@linaro.org>
Signed-off-by: Corey Minyard <corey@minyard.net>

Author: Dan Carpenter

drivers/mfd/ls2k-bmc-core.c

@@ -495,9 +495,13 @@ static int ls2k_bmc_probe(struct pci_dev *dev, const struct pci_device_id *id)
 		goto disable_pci;
 	}
 
-	return devm_mfd_add_devices(&dev->dev, PLATFORM_DEVID_AUTO,
-				    ls2k_bmc_cells, ARRAY_SIZE(ls2k_bmc_cells),
-				    &dev->resource[0], 0, NULL);
+	ret = devm_mfd_add_devices(&dev->dev, PLATFORM_DEVID_AUTO,
+				   ls2k_bmc_cells, ARRAY_SIZE(ls2k_bmc_cells),
+				   &dev->resource[0], 0, NULL);
+	if (ret)
+		goto disable_pci;
+
+	return 0;
 
 disable_pci:
 	pci_disable_device(dev);