linux-kernel - [PATCH AUTOSEL 4.9 26/26] xen: fix GCC warning and remove duplicate EVTCHN_ROW/EVTCHN

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Message-ID: <20181001004026.147201-26-alexander.levin@microsoft.com>
Date:   Mon, 1 Oct 2018 00:40:45 +0000
From:   Sasha Levin <Alexander.Levin@...rosoft.com>
To:     "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Josh Abraham <j.abraham1776@...il.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: [PATCH AUTOSEL 4.9 26/26] xen: fix GCC warning and remove duplicate
 EVTCHN_ROW/EVTCHN_COL usage

From: Josh Abraham <j.abraham1776@...il.com>

[ Upstream commit 4dca864b59dd150a221730775e2f21f49779c135 ]

This patch removes duplicate macro useage in events_base.c.

It also fixes gcc warning:
variable ‘col’ set but not used [-Wunused-but-set-variable]

Signed-off-by: Joshua Abraham <j.abraham1776@...il.com>
Reviewed-by: Juergen Gross <jgross@...e.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
---
 drivers/xen/events/events_base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 1435d8c58ea0..4b0cc9d0ca53 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -139,7 +139,7 @@ static int set_evtchn_to_irq(unsigned evtchn, unsigned irq)
 		clear_evtchn_to_irq_row(row);
 	}
 
-	evtchn_to_irq[EVTCHN_ROW(evtchn)][EVTCHN_COL(evtchn)] = irq;
+	evtchn_to_irq[row][col] = irq;
 	return 0;
 }
 
-- 
2.17.1