fix typo

diff --git a/src/mesa/main/program.c b/src/mesa/main/program.c
index e7a3ed9f595b3e0a609497735a4ea8212b1dcaf9..0d1a53c76163551e55c3030f37eadb80a5df95bb 100644 (file)
--- a/src/mesa/main/program.c
+++ b/src/mesa/main/program.c
@@ -1133,7 +1133,7 @@ _mesa_GetProgramRegisterfvMESA(GLenum target,
             /* try user-defined identifiers */
             const GLfloat *value = _mesa_lookup_parameter_value(
                        ctx->FragmentProgram.Current->Parameters, -1, reg);
-            if (reg) {
+            if (value) {
                COPY_4V(v, value);
             }
             else {