It's never declared so no need to make it extern. Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx> --- drivers/block/virtio_blk.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index f601f16..055f3df 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) { -- MST _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization