From: Xiu Jianfeng xiujianfeng@huawei.com
commit d0dc1a7100f19121f6e7450f9cdda11926aa3838 upstream.
Currently it returns zero when CRQ response timed out, it should return an error code instead.
Fixes: d8d74ea3c002 ("tpm: ibmvtpm: Wait for buffer to be set before proceeding") Signed-off-by: Xiu Jianfeng xiujianfeng@huawei.com Reviewed-by: Stefan Berger stefanb@linux.ibm.com Acked-by: Jarkko Sakkinen jarkko@kernel.org Signed-off-by: Jarkko Sakkinen jarkko@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/char/tpm/tpm_ibmvtpm.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/char/tpm/tpm_ibmvtpm.c +++ b/drivers/char/tpm/tpm_ibmvtpm.c @@ -681,6 +681,7 @@ static int tpm_ibmvtpm_probe(struct vio_ if (!wait_event_timeout(ibmvtpm->crq_queue.wq, ibmvtpm->rtce_buf != NULL, HZ)) { + rc = -ENODEV; dev_err(dev, "CRQ response timed out\n"); goto init_irq_cleanup; }