[dpdk-dev] [PATCH] raw/octeontx2_dma: fix unavailable PCI device in dpivf

Radha Mohan mohun106 at gmail.com
Fri Apr 9 10:07:13 CEST 2021


On Fri, Apr 9, 2021 at 1:29 PM Radha Mohan Chintakuntla
<radhac at marvell.com> wrote:
>
> The PCI device address is being used for sending mailbox which was
> introduced in previous commit which replaced the macros so that
> multiple DPI blocks in the hardware can be supported.
>
> This patch fixes a NULL pointer access by assigning the PCI device
> structure to dpivf.
>
> Fixes: 4495bd887d38 ("raw/octeontx2_dma: support multiple DPI blocks")
>
> Signed-off-by: Radha Mohan Chintakuntla <radhac at marvell.com>
> ---
>  drivers/raw/octeontx2_dma/otx2_dpi_rawdev.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/raw/octeontx2_dma/otx2_dpi_rawdev.c b/drivers/raw/octeontx2_dma/otx2_dpi_rawdev.c
> index efdba2779b..8c01f25ec7 100644
> --- a/drivers/raw/octeontx2_dma/otx2_dpi_rawdev.c
> +++ b/drivers/raw/octeontx2_dma/otx2_dpi_rawdev.c
> @@ -389,6 +389,7 @@ otx2_dpi_rawdev_probe(struct rte_pci_driver *pci_drv __rte_unused,
>         vf_id = ((pci_dev->addr.devid & 0x1F) << 3) |
>                  (pci_dev->addr.function & 0x7);
>         vf_id -= 1;
> +       dpivf->dev = pci_dev;
>         dpivf->state = DPI_QUEUE_START;
>         dpivf->vf_id = vf_id;
>         dpivf->vf_bar0 = (uintptr_t)pci_dev->mem_resource[0].addr;
> --
> 2.24.1

I sent another with proper subject patch version. Please ignore this.


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