[013/165] [SCSI] qla2xxx: Fix vport delete hang when logins are outstanding.

From: Greg KH
Date: Wed Jun 01 2011 - 04:16:25 EST


2.6.39-stable review patch. If anyone has any objections, please let us know.

------------------
Content-Length: 1225
Lines: 37

From: Arun Easi <arun.easi@xxxxxxxxxx>

commit 9f40682e2857a3c2ddb80a87b185af3c6a708346 upstream.

Timer is required to flush out entries that may be present in work queues.

Signed-off-by: Arun Easi <arun.easi@xxxxxxxxxx>
Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@xxxxxxxxxx>
Signed-off-by: James Bottomley <jbottomley@xxxxxxxxxxxxx>
Signed-off-by: James Bottomley <James.Bottomley@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
drivers/scsi/qla2xxx/qla_attr.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1877,14 +1877,15 @@ qla24xx_vport_delete(struct fc_vport *fc

scsi_remove_host(vha->host);

+ /* Allow timer to run to drain queued items, when removing vp */
+ qla24xx_deallocate_vp_id(vha);
+
if (vha->timer_active) {
qla2x00_vp_stop_timer(vha);
DEBUG15(printk(KERN_INFO "scsi(%ld): timer for the vport[%d]"
" = %p has stopped\n", vha->host_no, vha->vp_idx, vha));
}

- qla24xx_deallocate_vp_id(vha);
-
/* No pending activities shall be there on the vha now */
DEBUG(msleep(random32()%10)); /* Just to see if something falls on
* the net we have placed below */


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/