Re-land else-after-returns

core/src/fxcodec/codec/fx_codec_jbig.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "../../../include/fxcodec/fx_codec.h"
 #include "codec_int.h"
 
 CCodec_Jbig2Context::CCodec_Jbig2Context()
@@ skipping 154 matching lines @@
     if(m_pJbig2Context->m_src_buf) {
         FX_Free(m_pJbig2Context->m_src_buf);
     }
     m_pJbig2Context->m_src_buf = NULL;
     return FXCODEC_STATUS_ERROR;
 }
 FXCODEC_STATUS CCodec_Jbig2Module::ContinueDecode(void* pJbig2Context, IFX_Pause* pPause)
 {
     CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context;
     int ret = m_pJbig2Context->m_pContext->Continue(pPause);
-    if(m_pJbig2Context->m_pContext->GetProcessiveStatus() == FXCODEC_STATUS_DECODE_FINISH) {
-        if(m_pJbig2Context->m_bFileReader) {
-            CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext);
-            m_pJbig2Context->m_pContext = NULL;
-            if (ret != JBIG2_SUCCESS) {
-                if(m_pJbig2Context->m_src_buf) {
-                    FX_Free(m_pJbig2Context->m_src_buf);
-                }
-                m_pJbig2Context->m_src_buf = NULL;
-                return FXCODEC_STATUS_ERROR;
+    if (m_pJbig2Context->m_pContext->GetProcessiveStatus() != FXCODEC_STATUS_DECODE_FINISH) {
+        return m_pJbig2Context->m_pContext->GetProcessiveStatus();
+    }
+    if (m_pJbig2Context->m_bFileReader) {
+        CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext);
+        m_pJbig2Context->m_pContext = NULL;
+        if (ret != JBIG2_SUCCESS) {
+            if(m_pJbig2Context->m_src_buf) {
+                FX_Free(m_pJbig2Context->m_src_buf);
             }
-            delete m_pJbig2Context->m_dest_image;
-            FX_Free(m_pJbig2Context->m_src_buf);
-            return FXCODEC_STATUS_DECODE_FINISH;
-        } else {
-            CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext);
-            m_pJbig2Context->m_pContext = NULL;
-            if (ret != JBIG2_SUCCESS) {
-                return FXCODEC_STATUS_ERROR;
-            }
-            int dword_size = m_pJbig2Context->m_height * m_pJbig2Context->m_dest_pitch / 4;
-            FX_DWORD* dword_buf = (FX_DWORD*)m_pJbig2Context->m_dest_buf;
-            for (int i = 0; i < dword_size; i ++) {
-                dword_buf[i] = ~dword_buf[i];
-            }
-            return FXCODEC_STATUS_DECODE_FINISH;
+            m_pJbig2Context->m_src_buf = NULL;
+            return FXCODEC_STATUS_ERROR;
         }
+        delete m_pJbig2Context->m_dest_image;
+        FX_Free(m_pJbig2Context->m_src_buf);
+        return FXCODEC_STATUS_DECODE_FINISH;
     }
-    return m_pJbig2Context->m_pContext->GetProcessiveStatus();
+    CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext);
+    m_pJbig2Context->m_pContext = NULL;
+    if (ret != JBIG2_SUCCESS) {
+        return FXCODEC_STATUS_ERROR;
+    }
+    int dword_size = m_pJbig2Context->m_height * m_pJbig2Context->m_dest_pitch / 4;
+    FX_DWORD* dword_buf = (FX_DWORD*)m_pJbig2Context->m_dest_buf;
+    for (int i = 0; i < dword_size; i ++) {
+        dword_buf[i] = ~dword_buf[i];
+    }
+    return FXCODEC_STATUS_DECODE_FINISH;
 }