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SubjectRe: [PATCH 08/33] vfio: use match_string() helper
On Mon, 21 May 2018 19:57:45 +0800
Yisheng Xie <xieyisheng1@huawei.com> wrote:

> match_string() returns the index of an array for a matching string,
> which can be used intead of open coded variant.
>
> Cc: Alex Williamson <alex.williamson@redhat.com>
> Cc: kvm@vger.kernel.org
> Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
> ---
> drivers/vfio/vfio.c | 11 +++--------
> 1 file changed, 3 insertions(+), 8 deletions(-)

Applied to the vfio next branch for v4.18 with Andy's R-b. Thanks,

Alex


> diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
> index 721f97f..6483387 100644
> --- a/drivers/vfio/vfio.c
> +++ b/drivers/vfio/vfio.c
> @@ -630,8 +630,6 @@ static struct vfio_device *vfio_group_get_device(struct vfio_group *group,
>
> static bool vfio_dev_whitelisted(struct device *dev, struct device_driver *drv)
> {
> - int i;
> -
> if (dev_is_pci(dev)) {
> struct pci_dev *pdev = to_pci_dev(dev);
>
> @@ -639,12 +637,9 @@ static bool vfio_dev_whitelisted(struct device *dev, struct device_driver *drv)
> return true;
> }
>
> - for (i = 0; i < ARRAY_SIZE(vfio_driver_whitelist); i++) {
> - if (!strcmp(drv->name, vfio_driver_whitelist[i]))
> - return true;
> - }
> -
> - return false;
> + return match_string(vfio_driver_whitelist,
> + ARRAY_SIZE(vfio_driver_whitelist),
> + drv->name) >= 0;
> }
>
> /*

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