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>
diff --git a/drivers/crypto/nx/nx-842-pseries.c b/drivers/crypto/nx/nx-842-pseries.c
index 74c53a1..4b7bd8f 100644
--- a/drivers/crypto/nx/nx-842-pseries.c
+++ b/drivers/crypto/nx/nx-842-pseries.c
@@ -999,11 +999,8 @@
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));