Created attachment 118830 [details] [review]
p11-kit-0.23.1-rpc-message

Hi, 
The issues reported for logically - 'always false' in the code.
where 'call_id' is type of uint32_t which never will be less than 0;
at line  :p11-kit-0.23.1/p11-kit/rpc-message.c:171

the respective patch has been also attached ,please review it .
===============================================================
--- a/p11-kit-0.23.1/p11-kit/rpc-message.c      2014-12-16 15:54:01.000000000 +0530
+++ b/p11-kit-0.23.1/p11-kit/rpc-message.c      2015-10-12 10:12:27.733046227 +0530
@@ -171,7 +171,7 @@
        msg->signature = msg->sigverify = NULL;

        /* The call id and signature */
-       if (call_id < 0 || call_id >= P11_RPC_CALL_MAX) {
+       if (call_id >= P11_RPC_CALL_MAX) {
                p11_message ("invalid message: bad call id: %d", call_id);
                return false;
        }

Thanks ,
Pankaj Sharma