avr32: off by one in at32_init_pio()
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 13 Jul 2016 10:08:55 +0000 (13:08 +0300)
committerWilly Tarreau <w@1wt.eu>
Mon, 6 Feb 2017 22:32:57 +0000 (23:32 +0100)
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: Willy Tarreau <w@1wt.eu>
arch/avr32/mach-at32ap/pio.c

index 903c7d81d0d521a1b8bcf523c609f83516d8e952..a8e208eaf2a4df0aa285b7ff742ff338121be8b4 100644 (file)
@@ -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;