diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index 252142524ff21606687a51f5cfab829ccc83c7f6..274dd0123237861eccfd1dc6ab76a5f9adcbdda6 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -88,6 +88,7 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev, const struct tpm_class_ops *ops) { struct tpm_chip *chip; + int rc; chip = kzalloc(sizeof(*chip), GFP_KERNEL); if (chip == NULL) @@ -136,7 +137,11 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev, chip->cdev.owner = chip->pdev->driver->owner; chip->cdev.kobj.parent = &chip->dev.kobj; - devm_add_action(dev, (void (*)(void *)) put_device, &chip->dev); + rc = devm_add_action(dev, (void (*)(void *)) put_device, &chip->dev); + if (rc) { + put_device(&chip->dev); + return ERR_PTR(rc); + } return chip; }