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

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

Cc: stable@kernel.org
Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Arun Easi 2011-05-10 11:18:17 -07:00 committed by James Bottomley
parent 7630abd0c6
commit 9f40682e28
1 changed files with 3 additions and 2 deletions
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5
drivers/scsi/qla2xxx/qla_attr.c
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@ -1877,14 +1877,15 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)
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 */