Set local variable to 0 to avoid build error

[openssl.git] / engines / e_dasync.c

diff --git a/engines/e_dasync.c b/engines/e_dasync.c
index ed3f00adb6d6916e8a69a699efb46af53a82c0a2..4e3e9369fc6367e75cd7a5c4b398bc8c8e299aa1 100644 (file)
--- a/engines/e_dasync.c
+++ b/engines/e_dasync.c
@@ -7,6 +7,10 @@
  * https://www.openssl.org/source/license.html
  */
 
+#if defined(_WIN32)
+# include <windows.h>
+#endif
+
 #include <stdio.h>
 #include <string.h>
 
@@ -28,7 +32,6 @@
 #elif defined(_WIN32)
 # undef ASYNC_WIN
 # define ASYNC_WIN
-# include <windows.h>
 #endif
 
 #define DASYNC_LIB_NAME "DASYNC"
@@ -603,6 +606,8 @@ static int dasync_cipher_ctrl_helper(EVP_CIPHER_CTX *ctx, int type, int arg,
 
             if (pipe_ctx->enc) {
                 if ((p[arg - 4] << 8 | p[arg - 3]) >= TLS1_1_VERSION) {
+                    if (len < AES_BLOCK_SIZE)
+                        return 0;
                     len -= AES_BLOCK_SIZE;
                 }