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kernel: timeout: remove local fix for double-remove

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Use the new generic capability to detect unlinked sys_dnode_t instances.

Signed-off-by: Peter A. Bigot <pab@pabigot.com>
This commit is contained in:
Peter A. Bigot 2018-12-30 06:05:03 -06:00 • committed by Carles Cufí
commit 25fbe7b60d
2 changed files with 6 additions and 8 deletions
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1
kernel/include/timeout_q.h
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@ -22,6 +22,7 @@ extern "C" {
static inline void _init_timeout(struct _timeout *t, _timeout_func_t fn)
{
sys_dnode_init(&t->node);
t->dticks = _INACTIVE;
}

13
kernel/timeout.c
View file

@ -46,14 +46,11 @@ static struct _timeout *next(struct _timeout *t)
static void remove_timeout(struct _timeout *t)
{
if (t->node.next != NULL && t->node.prev != NULL) {
if (next(t) != NULL) {
next(t)->dticks += t->dticks;
}
sys_dlist_remove(&t->node);
if (next(t) != NULL) {
next(t)->dticks += t->dticks;
}
t->node.next = t->node.prev = NULL;
sys_dlist_remove(&t->node);
t->dticks = _INACTIVE;
}
@ -113,7 +110,7 @@ int _abort_timeout(struct _timeout *to)
int ret = _INACTIVE;
LOCKED(&timeout_lock) {
if (to->dticks != _INACTIVE) {
if (sys_dnode_is_linked(&to->node)) {
remove_timeout(to);
ret = 0;
}