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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>
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1 changed files with 1 additions and 4 deletions
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@ -999,11 +999,8 @@ static int nx842_probe(struct vio_dev *viodev,
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of_reconfig_notifier_register(&nx842_of_nb);
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ret = nx842_OF_upd(NULL);
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if (ret && ret != -ENODEV) {
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dev_err(&viodev->dev, "could not parse device tree. %d\n", ret);
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ret = -1;
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if (ret)
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goto error;
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}
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rcu_read_lock();
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dev_set_drvdata(&viodev->dev, rcu_dereference(devdata));
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