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)
committerBen Hutchings <ben@decadent.org.uk>
Sun, 20 Nov 2016 01:01:29 +0000 (01:01 +0000)
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: Ben Hutchings <ben@decadent.org.uk>
arch/avr32/mach-at32ap/pio.c

index 903c7d8..a8e208e 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;