port-alpha/50523: src/sys/arch/alpha/alpha/dec_kn300.c:435: bad expression ?

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>Number:         50523
>Category:       port-alpha
>Synopsis:       src/sys/arch/alpha/alpha/dec_kn300.c:435: bad expression ?
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    port-alpha-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Dec 11 09:35:00 +0000 2015
>Originator:     David Binderman
>Release:        cvs dated 20151210
>Organization:
>Environment:
>Description:
[src/sys/arch/alpha/alpha/dec_kn300.c:435]: (style) Expression '(X & 0xff00) == 0xcc0000' is always false.

   (((hdr->mcheck_code & 0xff00) == (CAP_ERR_CRDX << 16)) ?

but

#define CAP_ERR_CRDX    204

>How-To-Repeat:

>Fix: