releases/4.7.7/avr32-off-by-one-in-at32_init_pio.patch

   1 From 55f1cf83d5cf885c75267269729805852039c834 Mon Sep 17 00:00:00 2001
   2 From: Dan Carpenter <dan.carpenter@oracle.com>
   3 Date: Wed, 13 Jul 2016 13:08:55 +0300
   4 Subject: avr32: off by one in at32_init_pio()
   5
   6 From: Dan Carpenter <dan.carpenter@oracle.com>
   7
   8 commit 55f1cf83d5cf885c75267269729805852039c834 upstream.
   9
  10 The pio_dev[] array has MAX_NR_PIO_DEVICES elements so the > should be
  11 >=.
  12
  13 Fixes: 5f97f7f9400d ('[PATCH] avr32 architecture')
  14 Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
  15 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  16
  17 ---
  18  arch/avr32/mach-at32ap/pio.c |    2 +-
  19  1 file changed, 1 insertion(+), 1 deletion(-)
  20
  21 --- a/arch/avr32/mach-at32ap/pio.c
  22 +++ b/arch/avr32/mach-at32ap/pio.c
  23 @@ -435,7 +435,7 @@ void __init at32_init_pio(struct platfor
  24         struct resource *regs;
  25         struct pio_device *pio;
  26
  27 -       if (pdev->id > MAX_NR_PIO_DEVICES) {
  28 +       if (pdev->id >= MAX_NR_PIO_DEVICES) {
  29                 dev_err(&pdev->dev, "only %d PIO devices supported\n",
  30                         MAX_NR_PIO_DEVICES);
  31                 return;