Re: [PATCH V3] genirq/affinity: add helper of irq_affinity_calc_sets

[Ming Lei]

Hello Thomas,

On Wed, Jul 21, 2021 at 09:48:04AM +0800, Ming Lei wrote:
> When driver requests to allocate irq affinity managed vectors,
> pci_alloc_irq_vectors_affinity() may fallback to single vector
> allocation. In this situation, we don't need to call
> irq_create_affinity_masks for calling into ->calc_sets() for
> avoiding potential memory leak, so add the helper for this purpose.
> 
> Fixes: c66d4bd110a1 ("genirq/affinity: Add new callback for (re)calculating interrupt sets")
> Reported-by: Bjorn Helgaas <helgaas@xxxxxxxxxx>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
> Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> Cc: linux-pci@xxxxxxxxxxxxxxx
> Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>

Can you take this patch if you are fine?


Thanks,
Ming