diff --git a/scripts/specialize-patch b/scripts/specialize-patch
index 011eb24d2..f3ae24262 100755
--- a/scripts/specialize-patch
+++ b/scripts/specialize-patch
@@ -31,8 +31,8 @@
 # the KERNEL_VERSION() macro.
 
 function version_code(kver, array) {
-  if (!match(kver, "([0-9]+).([0-9]+).([0-9]+)", array))
-    match(kver, "([0-9]+).([0-9]+)", array)
+  if (!match(kver, "^([0-9]+)\\.([0-9]+)\\.([0-9]+)$", array))
+    match(kver, "^([0-9]+)\\.([0-9]+)$", array)
   return 65536*array[1] + 256*array[2] + array[3]
 }
 
@@ -65,6 +65,12 @@ function evaluate(stmnt, pattern, arg, op, result) {
 
   gsub("LINUX_VERSION_CODE", LINUX_VERSION_CODE, stmnt)
 
+  pattern="KERNEL_VERSION\\([[:blank:]]*([0-9]+)[[:blank:]]*,[[:blank:]]*([0-9]+)[[:blank:]]*,[[:blank:]]*([0-9]+)[[:blank:]]*\\)"
+  while (match(stmnt, pattern, op) != 0)
+  {
+    sub(pattern, op[1] * 65536 + op[2] * 256 + op[3], stmnt)
+  }
+  
   gsub("defined\\(INSIDE_KERNEL_TREE\\)", "1", stmnt)
 
   gsub("defined\\(BACKPORT_LINUX_WORKQUEUE_TO_2_6_19\\)", "0", stmnt)
@@ -151,12 +157,6 @@ function evaluate(stmnt, pattern, arg, op, result) {
       sub(pattern, op[1] == 0, stmnt)
     }
     
-    pattern="KERNEL_VERSION\\([[:blank:]]*([0-9]+)[[:blank:]]*,[[:blank:]]*([0-9]+)[[:blank:]]*,[[:blank:]]*([0-9]+)[[:blank:]]*\\)"
-    while (match(stmnt, pattern, op) != 0)
-    {
-      sub(pattern, op[1] * 65536 + op[2] * 256 + op[3], stmnt)
-    }
-  
     pattern="(-*[0-9]+)[[:blank:]]*(\\*|/)[[:blank:]]*(-*[0-9]+)"
     while (match(stmnt, pattern, op) != 0)
     {
@@ -174,6 +174,15 @@ function evaluate(stmnt, pattern, arg, op, result) {
       else if (op[2] == "-") result = op[1] - op[3]
       sub(pattern, result, stmnt)
     }
+
+    pattern="(-*[0-9]+)[[:blank:]]*(<<|>>)[[:blank:]]*(-*[0-9]+)"
+    while (match(stmnt, pattern, op) != 0)
+    {
+      result="error"
+      if      (op[2] == "<<") result = int(op[1] * (2**op[3]))
+      else if (op[2] == ">>") result = int(op[1] / (2**op[3]))
+      sub(pattern, result, stmnt)
+    }
   
     pattern="(-*[0-9]+)[[:blank:]]*(<|<=|>|>=|==|!=)[[:blank:]]*(-*[0-9]+)"
     while (match(stmnt, pattern, op) != 0)