s390/zcrypt: fix possible memory leak in ap_module_init()
ap_configuration is malloced in ap_module_init() and should be freed before leaving from the error handling cases, otherwise it may cause memory leak. Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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@ -1819,7 +1819,8 @@ int __init ap_module_init(void)
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if (ap_domain_index < -1 || ap_domain_index > max_domain_id) {
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pr_warn("%d is not a valid cryptographic domain\n",
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ap_domain_index);
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return -EINVAL;
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rc = -EINVAL;
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goto out_free;
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}
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/* In resume callback we need to know if the user had set the domain.
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* If so, we can not just reset it.
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@ -1892,6 +1893,7 @@ int __init ap_module_init(void)
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unregister_reset_call(&ap_reset_call);
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if (ap_using_interrupts())
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unregister_adapter_interrupt(&ap_airq);
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out_free:
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kfree(ap_configuration);
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return rc;
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}
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