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[DFS] Add protection for pt->triggered

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This commit is contained in:
Bernard Xiong 2018-03-09 08:35:12 +08:00
parent fe66f24c69
commit eb78535604
1 changed files with 4 additions and 4 deletions
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8
components/dfs/src/poll.c
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@ -20,6 +20,7 @@
* Change Logs:
* Date Author Notes
* 2016-12-28 Bernard first version
* 2018-03-09 Bernard Add protection for pt->triggered.
*/
#include <stdint.h>
@ -118,13 +119,12 @@ static int poll_wait_timeout(struct rt_poll_table *pt, int msec)
rt_hw_interrupt_enable(level);
rt_schedule();
}
else
{
rt_hw_interrupt_enable(level);
level = rt_hw_interrupt_disable();
}
ret = !pt->triggered;
rt_hw_interrupt_enable(level);
return ret;
}