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Commit f53d5aa0 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Michael S. Tsirkin
Browse files

virtio_blk: Use sysfs_match_string() helper 



Use sysfs_match_string() helper instead of open coded variant.

Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Reviewed-by: default avatarJason Wang <jasowang@redhat.com>
parent 520eccdf

drivers/block/virtio_blk.c

+2 −5
Original line number Diff line number Diff line
@@ -541,12 +541,9 @@ virtblk_cache_type_store(struct device *dev, struct device_attribute *attr, 
	int i;



	BUG_ON(!virtio_has_feature(vblk->vdev, VIRTIO_BLK_F_CONFIG_WCE));

	for (i = ARRAY_SIZE(virtblk_cache_types); --i >= 0; )

		if (sysfs_streq(buf, virtblk_cache_types[i]))

			break;



	i = sysfs_match_string(virtblk_cache_types, buf);

	if (i < 0)

		return -EINVAL;

		return i;



	virtio_cwrite8(vdev, offsetof(struct virtio_blk_config, wce), i);

	virtblk_update_cache_mode(vdev);