1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 0a75638e3e56..39526c053158 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1476,6 +1476,11 @@ struct tpm_chip *tpm_register_hardware(struct device *dev,
                 goto put_device;
         }
 
+        if (sys_add_ppi(&dev->kobj)) {
+                misc_deregister(&chip->vendor.miscdev);
+                goto put_device;
+        }
+
         chip->bios_dir = tpm_bios_log_setup(devname);
 
         /* Make chip available */