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Diffstat (limited to 'drivers/char/tpm/tpm.c')
-rw-r--r--drivers/char/tpm/tpm.c5
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 */