From: Lars-Peter Clausen <lars@metafoo.de>
Date: Mon, 8 Mar 2010 20:34:40 +0000 (+0000)
Subject: jz4740-gpio: Fix potential race condition
X-Git-Tag: reboot~20753
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=c0b9c9d4a9f75bd1d0694608b102e6fdf13b1b74;p=openwrt%2Fstaging%2Fchunkeey.git

jz4740-gpio: Fix potential race condition

SVN-Revision: 20071
---

diff --git a/target/linux/xburst/files-2.6.32/arch/mips/jz4740/gpio.c b/target/linux/xburst/files-2.6.32/arch/mips/jz4740/gpio.c
index df5df5cd0b..8a99f4d37b 100644
--- a/target/linux/xburst/files-2.6.32/arch/mips/jz4740/gpio.c
+++ b/target/linux/xburst/files-2.6.32/arch/mips/jz4740/gpio.c
@@ -312,8 +312,8 @@ static unsigned int jz_gpio_irq_startup(unsigned int irq)
 
 	jz_gpio_set_irq_bit(irq, JZ_REG_GPIO_SELECT_SET);
 
-	jz_gpio_irq_unmask(irq);
 	desc->status &= ~IRQ_MASKED;
+	jz_gpio_irq_unmask(irq);
 
 	return 0;
 }