From e5fc75ad2b09879cb6e4c3561ba53d5053e969a2 Mon Sep 17 00:00:00 2001
From: Seth Forshee <seth.forshee@canonical.com>
Date: Fri, 19 Jan 2018 09:21:13 -0600
Subject: [PATCH] UBUNTU: SAUCE: Revert "scsi: libsas: allow async aborts"

BugLink: http://bugs.launchpad.net/bugs/1726519

This reverts commit 909657615d9b3ce709be4fd95b9a9e8c8c7c2be6.

Signed-off-by: Marcelo Henrique Cerri <marcelo.cerri@canonical.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
---
 drivers/scsi/libsas/sas_scsi_host.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 9047cfcd1072..cbbfb00ff4a0 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -431,6 +431,9 @@ int sas_eh_abort_handler(struct scsi_cmnd *cmd)
 	struct sas_internal *i = to_sas_internal(host->transportt);
 	unsigned long flags;
 
+	if (current != host->ehandler)
+		return FAILED;
+
 	if (!i->dft->lldd_abort_task)
 		return FAILED;