Index: schannel_mbedtls.c
===================================================================
--- dll/win32/schannel/schannel_mbedtls.c	(revision 71358)
+++ dll/win32/schannel/schannel_mbedtls.c	(working copy)
@@ -46,9 +46,9 @@
 #include <mbedtls/md_internal.h>
 #include <mbedtls/ssl_internal.h>
 
-#define ROS_SCHAN_IS_BLOCKING (0xCCCFFFFF & 0xFFF00000)
-#define ROS_SCHAN_IS_BLOCKING_MARSHALL(read_len) (ROS_SCHAN_IS_BLOCKING | (read_len & 0x000FFFFF))
-#define ROS_SCHAN_IS_BLOCKING_RETRIEVE(read_len)                          (read_len & 0x000FFFFF)
+#define ROS_SCHAN_IS_BLOCKING(read_len)                       ((read_len & 0xFFF00000) == 0xCCC00000)
+#define ROS_SCHAN_IS_BLOCKING_MARSHALL(read_len) (0xCCC00000 | (read_len & 0x000FFFFF))
+#define ROS_SCHAN_IS_BLOCKING_RETRIEVE(read_len)               (read_len & 0x000FFFFF)
 
 #ifndef __REACTOS__
  /* WINE defines the back-end glue in here */
@@ -280,7 +280,7 @@
 
     TRACE("MBEDTLS schan_imp_handshake: %p  err: %#x \n", session, err);
 
-    if ((err & ROS_SCHAN_IS_BLOCKING) == ROS_SCHAN_IS_BLOCKING)
+    if (ROS_SCHAN_IS_BLOCKING(err))
     {
         TRACE("Received ERR_NET_WANT_READ/WRITE... let's try again!\n");
         return SEC_I_CONTINUE_NEEDED;
@@ -622,7 +622,7 @@
 
         *length = ret;
     }
-    else if ((ret & ROS_SCHAN_IS_BLOCKING) == ROS_SCHAN_IS_BLOCKING)
+    else if (ROS_SCHAN_IS_BLOCKING(ret))
     {
         *length = ROS_SCHAN_IS_BLOCKING_RETRIEVE(ret);
 
@@ -664,7 +664,7 @@
 
         *length = ret;
     }
-    else if ((ret & ROS_SCHAN_IS_BLOCKING) == ROS_SCHAN_IS_BLOCKING)
+    else if (ROS_SCHAN_IS_BLOCKING(ret))
     {
         *length = ROS_SCHAN_IS_BLOCKING_RETRIEVE(ret);