From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 13 Jul 2016 10:08:55 +0000 (+0300)
Subject: avr32: off by one in at32_init_pio()
X-Git-Tag: v4.7.7~56
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=064500b2cd31028572a02c84b427bd08d58e8a70;p=thirdparty%2Fkernel%2Fstable.git

avr32: off by one in at32_init_pio()

commit 55f1cf83d5cf885c75267269729805852039c834 upstream.

The pio_dev[] array has MAX_NR_PIO_DEVICES elements so the > should be
>=.

Fixes: 5f97f7f9400d ('[PATCH] avr32 architecture')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
index 83c2a0021b562..13d3fc4270b7b 100644
--- a/arch/avr32/mach-at32ap/pio.c
+++ b/arch/avr32/mach-at32ap/pio.c
@@ -435,7 +435,7 @@ void __init at32_init_pio(struct platform_device *pdev)
 	struct resource *regs;
 	struct pio_device *pio;
 
-	if (pdev->id > MAX_NR_PIO_DEVICES) {
+	if (pdev->id >= MAX_NR_PIO_DEVICES) {
 		dev_err(&pdev->dev, "only %d PIO devices supported\n",
 			MAX_NR_PIO_DEVICES);
 		return;