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Diffstat (limited to 'drivers/char/tpm/tpm-chip.c')
-rw-r--r--drivers/char/tpm/tpm-chip.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
index a321bd57f3e9..9dec9f551b83 100644
--- a/drivers/char/tpm/tpm-chip.c
+++ b/drivers/char/tpm/tpm-chip.c
@@ -191,9 +191,10 @@ struct tpm_chip *tpm_chip_alloc(struct device *pdev,
/* get extra reference on main device to hold on
* behalf of devs. This holds the chip structure
* while cdevs is in use. The corresponding put
- * is in the tpm_devs_release
+ * is in the tpm_devs_release (TPM2 only)
*/
- get_device(&chip->dev);
+ if (chip->flags & TPM_CHIP_FLAG_TPM2)
+ get_device(&chip->dev);
if (chip->dev_num == 0)
chip->dev.devt = MKDEV(MISC_MAJOR, TPM_MINOR);