From: Stella Lau <laus@fb.com>
Date: Thu, 29 Jun 2017 22:40:49 +0000 (-0700)
Subject: Fix bitshift error
X-Git-Tag: v1.3.0~1^2~7^2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=104c4d57c1fa7ca6872ad95925a9448bc3d1f1db;p=thirdparty%2Fzstd.git

Fix bitshift error
---

diff --git a/lib/decompress/huf_decompress.c b/lib/decompress/huf_decompress.c
index cbf78e807..68938aebd 100644
--- a/lib/decompress/huf_decompress.c
+++ b/lib/decompress/huf_decompress.c
@@ -110,8 +110,8 @@ size_t HUF_readDTableX2_wksp(HUF_DTable* DTable, const void* src, size_t srcSize
     huffWeight = (BYTE *)((U32 *)workSpace + spaceUsed32);
     spaceUsed32 += ALIGN(HUF_SYMBOLVALUE_MAX + 1, sizeof(U32)) >> 2;
 
-    if ((spaceUsed32 >> 2) > wkspSize)
-            return ERROR(tableLog_tooLarge);
+    if ((spaceUsed32 << 2) > wkspSize)
+        return ERROR(tableLog_tooLarge);
     workSpace = (U32 *)workSpace + spaceUsed32;
     wkspSize -= (spaceUsed32 << 2);
 
@@ -524,7 +524,7 @@ size_t HUF_readDTableX4_wksp(HUF_DTable* DTable, const void* src,
     weightList = (BYTE *)((U32 *)workSpace + spaceUsed32);
     spaceUsed32 += ALIGN(HUF_SYMBOLVALUE_MAX + 1, sizeof(U32)) >> 2;
 
-    if ((spaceUsed32 >> 2) > wkspSize)
+    if ((spaceUsed32 << 2) > wkspSize)
         return ERROR(tableLog_tooLarge);
     workSpace = (U32 *)workSpace + spaceUsed32;
     wkspSize -= (spaceUsed32 << 2);