1 files changed, 3 insertions, 7 deletions
diff --git a/core/fxcrt/cfx_bytestring.cpp b/core/fxcrt/cfx_bytestring.cpp
index c29d24affd..0aba3be12a 100644
--- a/core/fxcrt/cfx_bytestring.cpp
+++ b/core/fxcrt/cfx_bytestring.cpp
@@ -694,14 +694,10 @@ FX_STRSIZE CFX_ByteString::Replace(const CFX_ByteStringC& pOld,
   return nCount;
 }
 
-void CFX_ByteString::SetAt(FX_STRSIZE nIndex, char ch) {
-  if (!m_pData) {
-    return;
-  }
-  ASSERT(nIndex >= 0);
-  ASSERT(nIndex < m_pData->m_nDataLength);
+void CFX_ByteString::SetAt(FX_STRSIZE index, char c) {
+  ASSERT(index >= 0 && index < GetLength());
   ReallocBeforeWrite(m_pData->m_nDataLength);
-  m_pData->m_String[nIndex] = ch;
+  m_pData->m_String[index] = c;
 }
 
 CFX_WideString CFX_ByteString::UTF8Decode() const {