Commit ee781b7f authored Jul 22, 2015 by Dan Streetman Committed by Herbert Xu Jul 23, 2015

crypto: nx - don't register pSeries driver if ENODEV



Don't register the pSeries driver when parsing the device tree returns
ENODEV.

The nx842_probe() function in the pSeries driver returns error instead
of registering as a crypto compression driver, when it receives an
error return value from the nx842_OF_upd() function that probes the
device tree nodes, except when ENODEV is returned.  However ENODEV
should not be a special case and the driver should not register when
there is no hw device, or the hw device is disabled.

Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent 7f6e3aad

drivers/crypto/nx/nx-842-pseries.c

+1 −4

Original line number	Diff line number	Diff line
		@@ -999,11 +999,8 @@ static int nx842_probe(struct vio_dev *viodev,
		of_reconfig_notifier_register(&nx842_of_nb);

		ret = nx842_OF_upd(NULL);
		if (ret && ret != -ENODEV) {
		dev_err(&viodev->dev, "could not parse device tree. %d\n", ret);
		ret = -1;
		if (ret)
		goto error;
		}

		rcu_read_lock();
		dev_set_drvdata(&viodev->dev, rcu_dereference(devdata));