vTPM: set virtual device before passing to ibmvtpm_reset_crq

tpm_ibmvtpm_probe() calls ibmvtpm_reset_crq(ibmvtpm) without having yet
set the virtual device in the ibmvtpm structure. So in ibmvtpm_reset_crq,
the phype call contains empty unit addresses, ibmvtpm->vdev->unit_address.

Signed-off-by: Hon Ching(Vicky) Lo <honclo@linux.vnet.ibm.com>
Signed-off-by: Joy Latten <jmlatten@linux.vnet.ibm.com>
Reviewed-by: Ashley Lai <ashley@ahsleylai.com>
Cc: <stable@vger.kernel.org>
Fixes: 132f76294744 ("drivers/char/tpm: Add new device driver to support IBM vTPM")
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
index 42ffa5e7a1e0..27ebf9511cb4 100644
--- a/drivers/char/tpm/tpm_ibmvtpm.c
+++ b/drivers/char/tpm/tpm_ibmvtpm.c
@@ -578,6 +578,9 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev,
                 goto cleanup;
         }
 
+        ibmvtpm->dev = dev;
+        ibmvtpm->vdev = vio_dev;
+
         crq_q = &ibmvtpm->crq_queue;
         crq_q->crq_addr = (struct ibmvtpm_crq *)get_zeroed_page(GFP_KERNEL);
         if (!crq_q->crq_addr) {
@@ -622,8 +625,6 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev,
 
         crq_q->index = 0;
 
-        ibmvtpm->dev = dev;
-        ibmvtpm->vdev = vio_dev;
         TPM_VPRIV(chip) = (void *)ibmvtpm;
 
         spin_lock_init(&ibmvtpm->rtce_lock);