nbd: use task_pid_nr() to get current pid

Signed-off-by: WANG Cong <amwang@redhat.com>
Cc: Paul Clements <Paul.Clements@steeleye.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index f533f3375e24751feaf4e065b920291c7abe149d..a928287177fd252297ad9b303f4c53fb901946e0 100644 (file)
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -405,7 +405,7 @@ static int nbd_do_it(struct nbd_device *lo)
 
        BUG_ON(lo->magic != LO_MAGIC);
 
-       lo->pid = current->pid;
+       lo->pid = task_pid_nr(current);
        ret = sysfs_create_file(&disk_to_dev(lo->disk)->kobj, &pid_attr.attr);
        if (ret) {
                printk(KERN_ERR "nbd: sysfs_create_file failed!");