From: Hon Ching \(Vicky\) Lo Date: Fri, 22 May 2015 17:23:02 +0000 (-0400) Subject: vTPM: set virtual device before passing to ibmvtpm_reset_crq X-Git-Tag: firefly_0821_release~176^2~1534^2~2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9d75f08946e8485109458ccf16f714697c207f41;p=firefly-linux-kernel-4.4.55.git 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 Signed-off-by: Joy Latten Reviewed-by: Ashley Lai Cc: Fixes: 132f76294744 ("drivers/char/tpm: Add new device driver to support IBM vTPM") Signed-off-by: Peter Huewe --- 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);