mips/loongson_1b: install NULL handler is OK
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1d928f7daf
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@ -96,7 +96,7 @@ void rt_hw_interrupt_umask(int vector)
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* @param old_handler the old interrupt service routine
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*/
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rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
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void *param, char *name)
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void *param, char *name)
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{
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rt_isr_handler_t old_handler = RT_NULL;
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@ -104,14 +104,11 @@ rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
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{
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old_handler = irq_handle_table[vector].handler;
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if (handler != RT_NULL)
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{
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#ifdef RT_USING_INTERRUPT_INFO
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rt_strncpy(irq_handle_table[vector].name, name, RT_NAME_MAX);
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rt_strncpy(irq_handle_table[vector].name, name, RT_NAME_MAX);
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#endif /* RT_USING_INTERRUPT_INFO */
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irq_handle_table[vector].handler = handler;
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irq_handle_table[vector].param = param;
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}
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irq_handle_table[vector].handler = handler;
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irq_handle_table[vector].param = param;
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}
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return old_handler;
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