[PATCH] xen-tpmfront: fix build failure

From: Bob Liu
Date: Mon Apr 13 2015 - 04:29:10 EST


Fix build failure caused by commit 1b1586eeeb8c ("xenbus_client: Extend
interface to support multi-page ring"), xen-tpmfront was missed in that commit.

Signed-off-by: Bob Liu <bob.liu@xxxxxxxxxx>
---
drivers/char/tpm/xen-tpmfront.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c
index c3b4f5a..3111f27 100644
--- a/drivers/char/tpm/xen-tpmfront.c
+++ b/drivers/char/tpm/xen-tpmfront.c
@@ -193,6 +193,7 @@ static int setup_ring(struct xenbus_device *dev, struct tpm_private *priv)
struct xenbus_transaction xbt;
const char *message = NULL;
int rv;
+ grant_ref_t gref;

priv->shr = (void *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
if (!priv->shr) {
@@ -200,11 +201,11 @@ static int setup_ring(struct xenbus_device *dev, struct tpm_private *priv)
return -ENOMEM;
}

- rv = xenbus_grant_ring(dev, virt_to_mfn(priv->shr));
+ rv = xenbus_grant_ring(dev, &priv->shr, 1, &gref);
if (rv < 0)
return rv;

- priv->ring_ref = rv;
+ priv->ring_ref = gref;

rv = xenbus_alloc_evtchn(dev, &priv->evtchn);
if (rv)
--
1.7.10.4


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