Hi Daniil,
Against which Linux branch was this patch generated?
Cheers,
Stefano
On Sun, 11 Feb 2024, Daniil Dulov wrote:
> In this case hwdev cannot be NULL, so remove redundant NULL check.
>
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
>
> Fixes: b097186fd29d ("swiotlb-xen: SWIOTLB library for Xen PV guest with PCI passthrough.")
> Signed-off-by: Daniil Dulov <d.dulov@aladdin.ru>
> ---
> drivers/xen/swiotlb-xen.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
> index 2b385c1b4a99..b166f6efea26 100644
> --- a/drivers/xen/swiotlb-xen.c
> +++ b/drivers/xen/swiotlb-xen.c
> @@ -305,7 +305,7 @@ xen_swiotlb_alloc_coherent(struct device *hwdev, size_t size,
> if (!ret)
> return ret;
>
> - if (hwdev && hwdev->coherent_dma_mask)
> + if (hwdev->coherent_dma_mask)
> dma_mask = hwdev->coherent_dma_mask;
>
> /* At this point dma_handle is the dma address, next we are
> --
> 2.25.1
>