[CVE-2017-18232][A][PATCH 03/11] scsi: libsas: remove unused port_gone_completion and DISCE_PORT_GONE

[Khalid Elmously]

From: Jason Yan <yanaijie at huawei.com>

CVE-2017-18232

No one uses the port_gone_completion in struct asd_sas_port and
DISCE_PORT_GONE in enum disover_event, clean them out.

Signed-off-by: Jason Yan <yanaijie at huawei.com>
CC: Johannes Thumshirn <jthumshirn at suse.de>
CC: Ewan Milne <emilne at redhat.com>
CC: Christoph Hellwig <hch at lst.de>
CC: Tomas Henzl <thenzl at redhat.com>
CC: Dan Williams <dan.j.williams at intel.com>
Reviewed-by: Johannes Thumshirn <jthumshirn at suse.de>
Reviewed-by: Christoph Hellwig <hch at lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen at oracle.com>
(cherry-picked from 8a11282aa1b7d618f29f531e9d992561f87cfd8a )
Signed-off-by: Khalid Elmously <khalid.elmously at canonical.com>
---
 include/scsi/libsas.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index ccf3b48a38f4..99f32b52d87b 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -81,7 +81,6 @@ enum phy_event {
 enum discover_event {
 	DISCE_DISCOVER_DOMAIN   = 0U,
 	DISCE_REVALIDATE_DOMAIN,
-	DISCE_PORT_GONE,
 	DISCE_PROBE,
 	DISCE_SUSPEND,
 	DISCE_RESUME,
@@ -256,8 +255,6 @@ struct sas_discovery {
 /* The port struct is Class:RW, driver:RO */
 struct asd_sas_port {
 /* private: */
-	struct completion port_gone_completion;
-
 	struct sas_discovery disc;
 	struct domain_device *port_dev;
 	spinlock_t dev_list_lock;
-- 
2.17.0