[PATCH] bnx2fc: reduce stack usage in __bnx2fc_enable

Chad Dupuis chad.dupuis at qlogic.com
Wed Oct 7 11:49:22 PDT 2015



On Wed, 7 Oct 2015, Maurizio Lombardi wrote:

> Hi,
>
> On 10/07/2015 03:11 PM, Arnd Bergmann wrote:
>> -	memset(&npiv_tbl, 0, sizeof(npiv_tbl));
>> -	if (hba->cnic->get_fc_npiv_tbl(hba->cnic, &npiv_tbl))
>> +	npiv_tbl = kzalloc(sizeof(struct cnic_fc_npiv_tbl), GFP_KERNEL);
>> +	if (!npiv_tbl)
>>  		goto done;
>>
>
> If kzalloc() fails perhaps the function should return -ENOMEM, not zero.
>

The enablement of the fcoe interface can still proceed if this particular 
allocation fails so returning 0 would be appropriate here.

This patch looks good to me.

>
> Regards,
> Maurizio Lombardi
>



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