[PATCH 1/4] scsi: libsas: Use void for sas_discover_event() return code

[chenxiang <chenxiang66@xxxxxxxxxxxxx>]

From: Xiang Chen <chenxiang66@xxxxxxxxxxxxx>

The callers of function sas_discover_event() don't check its return value,
and also it only returns 0, so use void for its return code.

Signed-off-by: Xiang Chen <chenxiang66@xxxxxxxxxxxxx>
Reviewed-by: John Garry <john.garry@xxxxxxxxxx>
---
 drivers/scsi/libsas/sas_discover.c | 6 ++----
 include/scsi/libsas.h              | 2 +-
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index 758213694091..d5bc1314c341 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -545,19 +545,17 @@ static void sas_chain_event(int event, unsigned long *pending,
 	}
 }
 
-int sas_discover_event(struct asd_sas_port *port, enum discover_event ev)
+void sas_discover_event(struct asd_sas_port *port, enum discover_event ev)
 {
 	struct sas_discovery *disc;
 
 	if (!port)
-		return 0;
+		return;
 	disc = &port->disc;
 
 	BUG_ON(ev >= DISC_NUM_EVENTS);
 
 	sas_chain_event(ev, &disc->pending, &disc->disc_work[ev].work, port->ha);
-
-	return 0;
 }
 
 /**
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 698f2032807b..1bb7ceded135 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -685,7 +685,7 @@ int  sas_ex_revalidate_domain(struct domain_device *);
 
 void sas_unregister_domain_devices(struct asd_sas_port *port, int gone);
 void sas_init_disc(struct sas_discovery *disc, struct asd_sas_port *);
-int  sas_discover_event(struct asd_sas_port *, enum discover_event ev);
+void sas_discover_event(struct asd_sas_port *, enum discover_event ev);
 
 int  sas_discover_sata(struct domain_device *);
 int  sas_discover_end_dev(struct domain_device *);
-- 
2.33.0