Dmitry Timoshkov : crypt32: Check number of bytes returned by ReadFile and avoid a memory leak on error path .

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 99a81e18434e6e4aae50628ad0803cf753397c22
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=99a81e18434e6e4aae50628ad0803cf753397c22

Author: Dmitry Timoshkov <dmitry at baikal.ru>
Date:   Tue Oct 29 16:09:05 2013 +0900

crypt32: Check number of bytes returned by ReadFile and avoid a memory leak on error path.

---

 dlls/crypt32/object.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/dlls/crypt32/object.c b/dlls/crypt32/object.c
index 0ff1bfd..39955ce 100644
--- a/dlls/crypt32/object.c
+++ b/dlls/crypt32/object.c
@@ -52,7 +52,8 @@ static BOOL CRYPT_ReadBlobFromFile(LPCWSTR fileName, PCERT_BLOB blob)
             {
                 DWORD read;
 
-                ret = ReadFile(file, blob->pbData, blob->cbData, &read, NULL);
+                ret = ReadFile(file, blob->pbData, blob->cbData, &read, NULL) && read == blob->cbData;
+                if (!ret) CryptMemFree(blob->pbData);
             }
         }
         CloseHandle(file);