[S390] tape class return value handling.
Without this patch register_tape_dev() will always fail, but might return a value that is not an error number. This will lead to accesses to already freed memory areas... Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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@ -76,7 +76,7 @@ struct tape_class_device *register_tape_dev(
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device,
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"%s", tcd->device_name
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);
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rc = PTR_ERR(tcd->class_device);
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rc = IS_ERR(tcd->class_device) ? PTR_ERR(tcd->class_device) : 0;
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if (rc)
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goto fail_with_cdev;
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rc = sysfs_create_link(
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