[PATCH] tpm xen: drop unneeded chip variable

[Julia Lawall]

The call that used chip was dropped in 1f0f30e404b3.  Drop the
leftover declaration and initialization.

Signed-off-by: Julia Lawall <julia.law...@lip6.fr>

---
 drivers/char/tpm/xen-tpmfront.c |    2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c
index 5aaa268..656e8af 100644
--- a/drivers/char/tpm/xen-tpmfront.c
+++ b/drivers/char/tpm/xen-tpmfront.c
@@ -289,7 +289,6 @@ static int tpmfront_probe(struct xenbus_device *dev,
                const struct xenbus_device_id *id)
 {
        struct tpm_private *priv;
-       struct tpm_chip *chip;
        int rv;
 
        priv = kzalloc(sizeof(*priv), GFP_KERNEL);
@@ -306,7 +305,6 @@ static int tpmfront_probe(struct xenbus_device *dev,
 
        rv = setup_ring(dev, priv);
        if (rv) {
-               chip = dev_get_drvdata(&dev->dev);
                ring_free(priv);
                return rv;
        }