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fix a possible dereference of null pointer

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Alanscut 2020-10-16 17:06:29 +08:00
parent 488169faca
commit 9bf4960cd5
1 changed files with 4 additions and 0 deletions
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4
cJSON_Utils.c
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@ -1406,6 +1406,10 @@ static cJSON *generate_merge_patch(cJSON * const from, cJSON * const to, const c
from_child = from->child; from_child = from->child;
to_child = to->child; to_child = to->child;
patch = cJSON_CreateObject(); patch = cJSON_CreateObject();
if (patch == NULL)
{
return NULL;
}
while (from_child || to_child) while (from_child || to_child)
{ {
int diff; int diff;