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mm: mm_heap: Fix deadlock in mm_trysemaphore in SMP mode

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Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
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Masayuki Ishikawa
2020-04-13 11:46:27 +09:00
committed by Xiang Xiao
parent 34113810bd
commit 12ff2212f5
1 changed files with 2 additions and 1 deletions
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mm/mm_heap/mm_sem.c
+2 -1
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@@ -179,7 +179,8 @@ int mm_trysemaphore(FAR struct mm_heap_s *heap)
if (my_pid < 0)
{
return my_pid;
ret = my_pid;
goto errout;
}
/* Does the current task already hold the semaphore? Is the current