[SCSI] iscsi_tcp regression: remove bogus warn on in write path

An empty r2tqueue is a valid state. It just means that we have
processed all that there was to do. This patch removes the WARN_ON
that was added when the kfifo changes were merged.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Mike Christie 2010-01-12 22:48:00 -06:00 committed by James Bottomley
parent b0483e78e5
commit fee099b278

View File

@ -992,12 +992,10 @@ static struct iscsi_r2t_info *iscsi_tcp_get_curr_r2t(struct iscsi_task *task)
if (r2t == NULL) {
if (kfifo_out(&tcp_task->r2tqueue,
(void *)&tcp_task->r2t, sizeof(void *)) !=
sizeof(void *)) {
WARN_ONCE(1, "unexpected fifo state");
sizeof(void *))
r2t = NULL;
}
r2t = tcp_task->r2t;
else
r2t = tcp_task->r2t;
}
spin_unlock_bh(&session->lock);
}