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virtio_blk: make serial attribute static 

It's never declared so no need to make it extern.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Michael S. Tsirkin 2014-10-23 16:08:44 +03:00
parent af9ca13b44
commit 393c525b5b
1 changed files with 2 additions and 1 deletions
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3
drivers/block/virtio_blk.c
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@ -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)
{