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fix rt_hw_interrupt_install bug

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1453 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
luohui2320@gmail.com 2011-06-05 11:34:18 +00:00
parent b2c7d265f2
commit b936b13ed2
1 changed files with 1 additions and 1 deletions
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2
libcpu/arm/at91sam926x/interrupt.c
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@ -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;
}
}