Correct checking of the parameter number of parallel cable

* src/tap/chain.c (urj_tap_chain_connect): Correct checking of the
    parameter number of parallel cable.


git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@1957 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

urjtag/ChangeLog

@@ -1,3 +1,8 @@
+2011-07-06  Jie Zhang  <jie.zhang@analog.com>
+
+  * src/tap/chain.c (urj_tap_chain_connect): Correct checking of the
+    parameter number of parallel cable.
+
 2011-07-04  Mike Frysinger  <vapier@gentoo.org>
 
   * src/bus/arm9tdmi.c, src/bus/ejtag_dma.c, src/bus/ixp435.c,

urjtag/src/tap/chain.c

@@ -96,10 +96,10 @@ urj_tap_chain_connect (urj_chain_t *chain, const char *drivername, char *params[
 
     if (driver->device_type == URJ_CABLE_DEVICE_PARPORT)
     {
-        if (paramc < 1)
+        if (paramc < 2)
         {
             urj_error_set (URJ_ERROR_SYNTAX,
-                           "parallel cable requires >= 2 parameters, got %d", paramc);
+                           "parallel cable requires >= 4 parameters, got %d", paramc);
             return URJ_STATUS_FAIL;
         }
         for (j = 0; j < URJ_CABLE_PARPORT_N_DEVS; j++)