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vfio: use match_string() helper

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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>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Yisheng Xie 2018-05-21 19:57:45 +08:00 committed by Alex Williamson
parent 6a62c1dfb5
commit e77addf018
1 changed files with 3 additions and 8 deletions
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11
drivers/vfio/vfio.c
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@ -630,8 +630,6 @@ static const char * const vfio_driver_whitelist[] = { "pci-stub" };
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;
}
/*