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Diffstat (limited to 'core/fpdfdoc/cpdf_formcontrol.cpp')
-rw-r--r--core/fpdfdoc/cpdf_formcontrol.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/core/fpdfdoc/cpdf_formcontrol.cpp b/core/fpdfdoc/cpdf_formcontrol.cpp
index edd5fe566c..7ff0914590 100644
--- a/core/fpdfdoc/cpdf_formcontrol.cpp
+++ b/core/fpdfdoc/cpdf_formcontrol.cpp
@@ -48,7 +48,8 @@ ByteString CPDF_FormControl::GetOnStateName() const {
if (!pN)
return csOn;
- for (const auto& it : *pN) {
+ CPDF_DictionaryLocker locker(pN);
+ for (const auto& it : locker) {
if (it.first != "Off")
return it.first;
}