Re: [PATCH 1/5] IB/qib: Use kcalloc() in qib_init_iba7322_funcs()

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On Wed, Apr 05, 2017 at 04:54:40PM +0200, SF Markus Elfring wrote:
> >> @@ -7324,8 +7324,9 @@ struct qib_devdata *qib_init_iba7322_funcs(struct pci_dev *pdev,
> >>  		actual_cnt -= dd->num_pports;
> >>  
> >>  	tabsize = actual_cnt;
> >> -	dd->cspec->msix_entries = kzalloc(tabsize *
> >> -			sizeof(struct qib_msix_entry), GFP_KERNEL);
> >> +	dd->cspec->msix_entries = kcalloc(tabsize,
> >> +					  sizeof(*dd->cspec->msix_entries),
> >> +					  GFP_KERNEL);
> > 
> > Are we fine with loosing the zeroing of the entries?
> 
> How did you get this concern?
> 
> Do you really miss such functionality from the other interface?

Ahm... Don't kzalloc() and kcalloc() both pass in __GFP_ZERO?

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Johannes Thumshirn                                          Storage
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