TPM: tpm_nsc: Fix a double free of pdev in cleanup_nsc
authorAxel Lin <axel.lin@gmail.com>
Wed, 3 Aug 2011 23:58:07 +0000 (07:58 +0800)
committerJames Morris <jmorris@namei.org>
Thu, 22 Sep 2011 23:46:17 +0000 (09:46 +1000)
platform_device_unregister() will release all resources
and remove it from the subsystem, then drop reference count by
calling platform_device_put().

We should not call kfree(pdev) after platform_device_unregister(pdev).

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
drivers/char/tpm/tpm_nsc.c

index 82facc9..4d24648 100644 (file)
@@ -396,8 +396,6 @@ static void __exit cleanup_nsc(void)
        if (pdev) {
                tpm_nsc_remove(&pdev->dev);
                platform_device_unregister(pdev);
-               kfree(pdev);
-               pdev = NULL;
        }
 
        platform_driver_unregister(&nsc_drv);