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

commit d0dc1a7100 upstream.

Currently it returns zero when CRQ response timed out, it should return
an error code instead.

Fixes: d8d74ea3c0 ("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>
This commit is contained in:
Xiu Jianfeng 2022-03-18 14:02:01 +08:00 committed by Greg Kroah-Hartman
parent 388bc1e696
commit 2e3d708313
1 changed files with 1 additions and 0 deletions
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1
drivers/char/tpm/tpm_ibmvtpm.c
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@ -692,6 +692,7 @@ 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;
}