The problem is that we dereference "privdata->pci_dev" when we print
the error messages in amd_mp2_pci_init():
	dev_err(ndev_dev(privdata), "Failed to enable MP2 PCI device\n");
		^^^^^^^^^^^^^^^^^
Fixes: 529766e0a011 ("i2c: Add drivers for the AMD PCIe MP2 I2C controller")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
        if (!privdata)
                return -ENOMEM;
 
+       privdata->pci_dev = pci_dev;
        rc = amd_mp2_pci_init(privdata, pci_dev);
        if (rc)
                return rc;
 
        mutex_init(&privdata->c2p_lock);
-       privdata->pci_dev = pci_dev;
 
        pm_runtime_set_autosuspend_delay(&pci_dev->dev, 1000);
        pm_runtime_use_autosuspend(&pci_dev->dev);