[PATCH 4/4] char/tpm: Less checks in tpm_ibmvtpm_probe() after error detection

SF Markus Elfring elfring at users.sourceforge.net
Thu Oct 19 23:36:09 AEDT 2017


>> @@ -683,13 +683,10 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev,
>> reg_crq_cleanup:
>>  	dma_unmap_single(dev, ibmvtpm->crq_dma_handle,
>> CRQ_RES_BUF_SIZE, DMA_BIDIRECTIONAL);
>> -cleanup:
>> -	if (ibmvtpm) {
>> -		if (crq_q->crq_addr)
>> -			free_page((unsigned long)crq_q->crq_addr);
>> -		kfree(ibmvtpm);
>> -	}
>> -
> 
> I think a single cleanup section is better than many labels that just
> avoid a single null check.

I proposed to delete two unnecessary condition checks together with
an adjustment of jump targets.

Regards,
Markus


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