From 8aad172e6c54c74b1effe88ded2f308db3e1b658 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 7 Mar 2011 13:55:15 +0800
Subject: [PATCH] ARM: pxa/am200epd: fix leak in am200_init_gpio_regs error
 path

If gpio_request fails when i > 0, gpios[0] is not freed in current
implementation.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
---
 arch/arm/mach-pxa/am200epd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-pxa/am200epd.c b/arch/arm/mach-pxa/am200epd.c
index 10964e376009..4cb069fd9af2 100644
--- a/arch/arm/mach-pxa/am200epd.c
+++ b/arch/arm/mach-pxa/am200epd.c
@@ -128,8 +128,8 @@ static int am200_init_gpio_regs(struct metronomefb_par *par)
 	return 0;
 
 err_req_gpio:
-	while (i > 0)
-		gpio_free(gpios[i--]);
+	while (--i >= 0)
+		gpio_free(gpios[i]);
 
 	return err;
 }