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port-sparc64/50945: src/sys/arch/sparc64/sparc64/compat_16_machdep.c:291]: (style) Suspicious condition



>Number:         50945
>Category:       port-sparc64
>Synopsis:       src/sys/arch/sparc64/sparc64/compat_16_machdep.c:291]: (style) Suspicious condition
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    port-sparc64-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Mar 11 17:10:00 +0000 2016
>Originator:     David Binderman
>Release:        cvs dated 20160311
>Organization:
>Environment:
>Description:
src/sys/arch/sparc64/sparc64/compat_16_machdep.c:291]: (style) Suspicious condition (assignment + comparison); Clarify expression with parentheses.


Source code is

   if ((vaddr_t)scp & 3 || (error = copyin((void *)scp, &sc, sizeof sc) != 0))

Maybe better code

   if (((vaddr_t) scp & 3) 
      || ((error = copyin((void *)scp, &sc, sizeof sc)) != 0))
  



>How-To-Repeat:

>Fix:



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