tpm: ibmvtpm: Correct the return value in tpm_ibmvtpm_probe()

commit d0dc1a7 upstream. Currently it returns zero when CRQ response timed out, it should return an error code instead. Fixes: d8d74ea ("tpm: ibmvtpm: Wait for buffer to be set before proceeding") Signed-off-by: Xiu Jianfeng <[email protected]> Reviewed-by: Stefan Berger <[email protected]> Acked-by: Jarkko Sakkinen <[email protected]> Signed-off-by: Jarkko Sakkinen <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
truenas · Jun 6, 2022 · ebbbffa · ebbbffa
1 parent 5933a19
commit ebbbffa
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
@@ -683,6 +683,7 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev,
 	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;
 	}