kern/50692: src/sys/dev/ic/atw.c:991: possible bad bitmask ?

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>Number:         50692
>Category:       kern
>Synopsis:       src/sys/dev/ic/atw.c:991: possible bad bitmask ?
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Jan 22 17:10:00 +0000 2016
>Originator:     David Binderman
>Release:        cvs dated 20160121
>Organization:
>Environment:
>Description:
[src/sys/dev/ic/atw.c:991] -> [src/sys/dev/ic/atw.c:991]: (style) Same expression on both sides of '|'.

Source code is

  wcsr &= ~(ATW_WCSR_BLN_MASK|ATW_WCSR_LSOE|ATW_WCSR_MPRE|ATW_WCSR_LSOE);

Suggest either remove the duplicate or use different macro value.
>How-To-Repeat:

>Fix: