From b936b13ed25d596694517bff813c0c72c3769b3c Mon Sep 17 00:00:00 2001 From: "luohui2320@gmail.com" Date: Sun, 5 Jun 2011 11:34:18 +0000 Subject: [PATCH] fix rt_hw_interrupt_install bug git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1453 bbd45198-f89e-11dd-88c7-29a3b14d5316 --- libcpu/arm/at91sam926x/interrupt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libcpu/arm/at91sam926x/interrupt.c b/libcpu/arm/at91sam926x/interrupt.c index 9dfa607ebb..3412f6bd8c 100755 --- a/libcpu/arm/at91sam926x/interrupt.c +++ b/libcpu/arm/at91sam926x/interrupt.c @@ -178,7 +178,7 @@ void rt_hw_interrupt_install(int vector, rt_isr_handler_t new_handler, rt_isr_ha { if(vector < MAX_HANDLERS) { - if (*old_handler != RT_NULL) *old_handler = isr_table[vector]; + if (old_handler != RT_NULL) *old_handler = isr_table[vector]; if (new_handler != RT_NULL) isr_table[vector] = new_handler; } }