MISRA C Rule 5.3 violation - shadowing in mctelem.c

[Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>]

Hi all,

I was looking at the shadowing due to the struct identifier and the 
local variables "mctctl" in x86/cpu/mcheck/mctelem.c (see [1], the 
second report). This kind of shadowing seems very intentional, and the 
initial naive approach I devised was to simply rename the local 
variables.
This, however, results in build breakages, as sometimes the shadowed 
name seems to be used for accessing the global struct (unless I'm 
missing something), and as a result changing the name of the locals is 
not possible, at least not without further modifications to this file, 
which aren't obvious to me.
It would be really helpful if you could point me to either:
- avoid the shadowing in some way that does not occur to me at the 
moment;
- deviate this file, as many similar files in x86/cpu are already 
deviated.
What's your opinion on this?

Thanks,
  Nicola

[1] 
https://saas.eclairit.com:3787/fs/var/local/eclair/XEN.ecdf/ECLAIR_normal/staging/X86_64-BUGSENG/latest/PROJECT.ecd;/by_service/MC3R1.R5.3.html
--
Nicola Vetrini, BSc
Software Engineer, BUGSENG srl (https://bugseng.com)