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authorYisheng Xie <xieyisheng1@huawei.com>2018-05-21 19:57:45 +0800
committerAlex Williamson <alex.williamson@redhat.com>2018-06-08 10:24:33 -0600
commite77addf018f0c8d947ddc0bef2cd6d4791da7dde (patch)
tree8bb90082ddb4b0312c18c08af2f9ae2459c322be /drivers/vfio
parent6a62c1dfb5c7f6719361180fd0fdf45b15a35d95 (diff)
vfio: use match_string() helper
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>
Diffstat (limited to 'drivers/vfio')
-rw-r--r--drivers/vfio/vfio.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index 721f97f8dac1..64833879f75d 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -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;
}
/*