Fix a null object check
BUG=390615
R=thakis@chromium.org
Review URL: https://codereview.chromium.org/378293005
diff --git a/core/src/fpdfdoc/doc_basic.cpp b/core/src/fpdfdoc/doc_basic.cpp
index 25f641c..5ccf4ce 100644
--- a/core/src/fpdfdoc/doc_basic.cpp
+++ b/core/src/fpdfdoc/doc_basic.cpp
@@ -46,7 +46,9 @@
if (m_pObj == NULL || m_pObj->GetType() != PDFOBJ_ARRAY) {
return 0;
}
- CFX_ByteString mode = ((CPDF_Array*)m_pObj)->GetElementValue(1)->GetString();
+ CFX_ByteString mode;
+ CPDF_Object* pObj = ((CPDF_Array*)m_pObj)->GetElementValue(1);
+ mode = pObj ? pObj->GetString() : CFX_ByteString();
int i = 0;
while (g_sZoomModes[i][0] != '\0') {
if (mode == g_sZoomModes[i]) {