From: Michael Hennerich <michael.hennerich@analog.com>
Date: Mon, 11 Jun 2007 08:37:57 +0000 (+0800)
Subject: Blackfin arch: As Mike pointed out range goes form m..MAX_BLACKFIN_GPIO -1
X-Git-Tag: firefly_0821_release~28694^2~14
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e7613aab91270a6c76c61d3a1c05eaaa882b1842;p=firefly-linux-kernel-4.4.55.git

Blackfin arch: As Mike pointed out range goes form m..MAX_BLACKFIN_GPIO -1

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
---

diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index 3f49fae1cb1f..8cefed8cf5d9 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -138,7 +138,7 @@ static unsigned int sic_iwr_irqs[gpio_bank(MAX_BLACKFIN_GPIOS)] = {IRQ_PROG0_INT
 
 inline int check_gpio(unsigned short gpio)
 {
-	if (gpio > MAX_BLACKFIN_GPIOS)
+	if (gpio >= MAX_BLACKFIN_GPIOS)
 		return -EINVAL;
 	return 0;
 }