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add missing nullcheck in critnib #1176

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Merged
merged 1 commit into from
Mar 10, 2025
Merged

add missing nullcheck in critnib #1176

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10 changes: 10 additions & 0 deletions src/critnib/critnib.c
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Original file line number Diff line number Diff line change
Expand Up @@ -537,6 +537,11 @@ find_predecessor(struct critnib_node *__restrict n) {
}

utils_atomic_load_acquire_ptr((void **)&n->child[nib], (void **)&n);

if (!n) {
return NULL;
}

if (is_leaf(n)) {
return to_leaf(n);
}
Expand Down Expand Up @@ -650,6 +655,11 @@ static struct critnib_leaf *find_successor(struct critnib_node *__restrict n) {
}

n = n->child[nib];

if (!n) {
return NULL;
}

if (is_leaf(n)) {
return to_leaf(n);
}
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