Re: [PATCH 3/4] KVM-S390: Less function calls in kvm_s390_import_bp_data() after error detection

[SF Markus Elfring <elfring@users.sourceforge.net>]

>> @@ -273,10 +273,12 @@ int kvm_s390_import_bp_data(struct kvm_vcpu *vcpu,
>>  	vcpu->arch.guestdbg.nr_hw_wp = nr_wp;
>>  	vcpu->arch.guestdbg.hw_wp_info = wp_info;
>>  	return 0;
>> -error:
>> -	kfree(bp_data);
>> -	kfree(wp_info);
>> +free_bp_info:
>>  	kfree(bp_info);
>> +free_wp_info:
>> +	kfree(wp_info);
>> +free_bp_data:
>> +	kfree(bp_data);
>>  	return ret;
>>  }
>>
> 
> This replaces a perfectly fine fallthrough

The usage of a single goto label like "error" seems to be convenient.
But how do these habits fit to the current Linux coding style convention?


> with some horrible labels.

Do they explain better which processing steps should be performed
for an efficient exception handling in this function implementation?

Regards,
Markus