[PATCH] tpm: tpm_nsc: Fix a double free of pdev in cleanup_nsc

Axel Lin
2011-08-03T23:58:21Z

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>
---
drivers/char/tpm/tpm_nsc.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c
index 82facc9..4d24648 100644
--- a/drivers/char/tpm/tpm_nsc.c
+++ b/drivers/char/tpm/tpm_nsc.c
@@ -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);
--
1.7.4.1