[PATCH v2 17/18] virtio: pci: Check virtio configs are mapped

[Bin Meng]

On Wed, Mar 30, 2022 at 12:59 AM Andrew Scull <ascull at google.com> wrote:
>
> Prepare for calls to `virtio_pci_map_capability()` failing by returning
> NULL on error. If this happens, later accesses to the pointers would be
> unsafe so cause the probe to fail if such an error occurs.
>
> Signed-off-by: Andrew Scull <ascull at google.com>
> ---
>  drivers/virtio/virtio_pci_modern.c | 20 +++++++++++++++++---
>  1 file changed, 17 insertions(+), 3 deletions(-)
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>