[PATCH 08/33] vfio: use match_string() helper

[Yisheng Xie]

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.william...@redhat.com>
Cc: k...@vger.kernel.org
Signed-off-by: Yisheng Xie <xieyishe...@huawei.com>
---
 drivers/vfio/vfio.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

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;
 }
 
 /*
-- 
1.7.12.4