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-rw-r--r--drivers/block/virtio_blk.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index f601f16eabf4..055f3df0b4d0 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -332,7 +332,8 @@ static ssize_t virtblk_serial_show(struct device *dev,
return err;
}
-DEVICE_ATTR(serial, S_IRUGO, virtblk_serial_show, NULL);
+
+static DEVICE_ATTR(serial, S_IRUGO, virtblk_serial_show, NULL);
static void virtblk_config_changed_work(struct work_struct *work)
{