Thread (6 messages) 6 messages, 3 authors, 2017-07-18

Re: [PATCH v1] virtio_blk: Use sysfs_match_string() helper

From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: 2017-07-03 12:05:30

On Fri, 2017-06-09 at 15:07 +0300, Andy Shevchenko wrote:
Use sysfs_match_string() helper instead of open coded variant.
Did I miss maintainer?
quoted hunk ↗ jump to hunk
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/block/virtio_blk.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 553cc4c542b4..0e707b8cce9d 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);
-- 
Andy Shevchenko [off-list ref]
Intel Finland Oy
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