[PATCH 3.18 094/120] xen: fix GCC warning and remove duplicate EVTCHN_ROW/EVTCHN_COL usage

From: Greg Kroah-Hartman
Date: Thu Oct 11 2018 - 11:40:02 EST


3.18-stable review patch. If anyone has any objections, please let me know.

------------------

From: Josh Abraham <j.abraham1776@xxxxxxxxx>

[ Upstream commit 4dca864b59dd150a221730775e2f21f49779c135 ]

This patch removes duplicate macro useage in events_base.c.

It also fixes gcc warning:
variable âcolâ set but not used [-Wunused-but-set-variable]

Signed-off-by: Joshua Abraham <j.abraham1776@xxxxxxxxx>
Reviewed-by: Juergen Gross <jgross@xxxxxxxx>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/xen/events/events_base.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -138,7 +138,7 @@ static int set_evtchn_to_irq(unsigned ev
clear_evtchn_to_irq_row(row);
}

- evtchn_to_irq[EVTCHN_ROW(evtchn)][EVTCHN_COL(evtchn)] = irq;
+ evtchn_to_irq[row][col] = irq;
return 0;
}