diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2017-06-09 15:07:42 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2017-07-25 16:37:34 +0300 |
| commit | f53d5aa050dafe19bb4a1e37d73880aee2490a68 (patch) | |
| tree | 3ddc3d6babe1d30029d4fde4f50e225363d2222c /drivers/block/virtio_blk.c | |
| parent | 520eccdfe187591a51ea9ab4c1a024ae4d0f68d9 (diff) | |
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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'drivers/block/virtio_blk.c')
| -rw-r--r-- | drivers/block/virtio_blk.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 4e02aa5fdac0..1498b899a593 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -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); |