tpm_nsc: Fix bug when loading multiple TPM drivers

This patch fixes kernel bugzilla 34572.

https://bugzilla.kernel.org/show_bug.cgi?id=34572

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reported-by: Witold Baryluk <baryluk@smp.if.uj.edu.pl>
Tested-by: Witold Baryluk <baryluk@smp.if.uj.edu.pl>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Stefan Berger 2011-07-22 17:39:20 -04:00 committed by James Morris
parent 968543100a
commit 29412f0f6a

View file

@ -330,12 +330,12 @@ static int __init init_nsc(void)
pdev->dev.driver = &nsc_drv.driver;
pdev->dev.release = tpm_nsc_remove;
if ((rc = platform_device_register(pdev)) < 0)
goto err_free_dev;
if ((rc = platform_device_add(pdev)) < 0)
goto err_put_dev;
if (request_region(base, 2, "tpm_nsc0") == NULL ) {
rc = -EBUSY;
goto err_unreg_dev;
goto err_del_dev;
}
if (!(chip = tpm_register_hardware(&pdev->dev, &tpm_nsc))) {
@ -382,10 +382,10 @@ static int __init init_nsc(void)
err_rel_reg:
release_region(base, 2);
err_unreg_dev:
platform_device_unregister(pdev);
err_free_dev:
kfree(pdev);
err_del_dev:
platform_device_del(pdev);
err_put_dev:
platform_device_put(pdev);
err_unreg_drv:
platform_driver_unregister(&nsc_drv);
return rc;