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compiler/tasking: fix NULL pointer reference

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ctc E246: ["map/mm_map.c" 67/41] left side of '.' or '->' is not struct or union
ctc E260: ["map/mm_map.c" 67/25] not an lvalue
ctc E246: ["map/mm_map.c" 80/3] left side of '.' or '->' is not struct or union
ctc E260: ["map/mm_map.c" 80/3] not an lvalue

Signed-off-by: chao an <anchao@lixiang.com>
This commit is contained in:
chao an 2024-01-31 09:50:50 +08:00 committed by Xiang Xiao
parent ea5210bd40
commit d133de10e6
1 changed files with 18 additions and 2 deletions
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20
mm/map/mm_map.c
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@ -64,7 +64,15 @@ static bool in_range(FAR const void *start, size_t length,
int mm_map_lock(void) int mm_map_lock(void)
{ {
return nxrmutex_lock(&get_current_mm()->mm_map_mutex); FAR struct tcb_s *tcb = nxsched_self();
FAR struct task_group_s *group = tcb->group;
if (group == NULL)
{
return -EINVAL;
}
return nxrmutex_lock(&group->tg_mm_map.mm_map_mutex);
} }
/**************************************************************************** /****************************************************************************
@ -77,7 +85,15 @@ int mm_map_lock(void)
void mm_map_unlock(void) void mm_map_unlock(void)
{ {
DEBUGVERIFY(nxrmutex_unlock(&get_current_mm()->mm_map_mutex)); FAR struct tcb_s *tcb = nxsched_self();
FAR struct task_group_s *group = tcb->group;
if (group == NULL)
{
return;
}
DEBUGVERIFY(nxrmutex_unlock(&group->tg_mm_map.mm_map_mutex));
} }
/**************************************************************************** /****************************************************************************