From 5922f4e2ae8829f54c5ac842a1b43e8f11dbf3af Mon Sep 17 00:00:00 2001
From: Nick Terrell <terrelln@fb.com>
Date: Wed, 17 Apr 2019 11:34:52 -0700
Subject: [PATCH] [legacy] Return the right error code

---
 lib/legacy/zstd_legacy.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/legacy/zstd_legacy.h b/lib/legacy/zstd_legacy.h
index 27f887024..0dbd3c7a4 100644
--- a/lib/legacy/zstd_legacy.h
+++ b/lib/legacy/zstd_legacy.h
@@ -238,7 +238,7 @@ MEM_STATIC ZSTD_frameSizeInfo ZSTD_findFrameSizeInfoLegacy(const void *src, size
             frameSizeInfo.decompressedBound = ZSTD_CONTENTSIZE_ERROR;
             break;
     }
-    if (frameSizeInfo.compressedSize > srcSize) {
+    if (!ZSTD_isError(frameSizeInfo.compressedSize) && frameSizeInfo.compressedSize > srcSize) {
         frameSizeInfo.compressedSize = ERROR(srcSize_wrong);
         frameSizeInfo.decompressedBound = ZSTD_CONTENTSIZE_ERROR;
     }