diff options
| author | Xiu Jianfeng <xiujianfeng@huawei.com> | 2022-03-18 14:02:01 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-06 08:24:22 +0200 |
| commit | 24f43b142785f768c96754bacfc58fa69708cf6f (patch) | |
| tree | 4b639ecbecde4bc56a83cae5b26b7cff7aece3f8 | |
| parent | da6e23e16a27a3c0cc6652034f2f2c10e2533b54 (diff) | |
| download | linux-stable-24f43b142785f768c96754bacfc58fa69708cf6f.tar.gz linux-stable-24f43b142785f768c96754bacfc58fa69708cf6f.tar.bz2 linux-stable-24f43b142785f768c96754bacfc58fa69708cf6f.zip | |
tpm: ibmvtpm: Correct the return value in tpm_ibmvtpm_probe()
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>
| -rw-r--r-- | drivers/char/tpm/tpm_ibmvtpm.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c index 3ba67bc6baba..80647eb071fd 100644 --- a/drivers/char/tpm/tpm_ibmvtpm.c +++ b/drivers/char/tpm/tpm_ibmvtpm.c @@ -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; } |