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authorMike Christie <michaelc@cs.wisc.edu>2010-01-13 07:48:00 +0300
committerJames Bottomley <James.Bottomley@suse.de>2010-02-17 18:55:22 +0300
commitfee099b278894a1c7383a08cb3c62a5b62a134e8 (patch)
tree57e7766a34deaa67fbda1f38b5fdc4cf3973dd25 /drivers/scsi/libiscsi_tcp.c
parentb0483e78e5c4c9871fc5541875b3bc006846d46b (diff)
downloadlinux-fee099b278894a1c7383a08cb3c62a5b62a134e8.tar.xz
[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>
Diffstat (limited to 'drivers/scsi/libiscsi_tcp.c')
-rw-r--r--drivers/scsi/libiscsi_tcp.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c
index db6856c138fc..4ad87fd74ddd 100644
--- a/drivers/scsi/libiscsi_tcp.c
+++ b/drivers/scsi/libiscsi_tcp.c
@@ -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);
}