xen: fix GCC warning and remove duplicate EVTCHN_ROW/EVTCHN_COL usage

jabedude · gregkh · commit aa41fb9593af · 2018-10-10T08:54:26.000+02:00
[ Upstream commit 4dca864 ] 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@gmail.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git 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 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;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -138,7 +138,7 @@ static int set_evtchn_to_irq(unsigned evtchn, unsigned irq)`
`138`	`138`	`clear_evtchn_to_irq_row(row);`
`139`	`139`	`}`
`140`	`140`
`141`		`- evtchn_to_irq[EVTCHN_ROW(evtchn)][EVTCHN_COL(evtchn)] = irq;`
	`141`	`+ evtchn_to_irq[row][col] = irq;`
`142`	`142`	`return 0;`
`143`	`143`	`}`
`144`	`144`