Re: [Qemu-devel] [PATCHv5 0/4] Clean up compatibility mode handling

[David Gibson <david@gibson.dropbear.id.au>]

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On Thu, Jun 01, 2017 at 08:55:19PM -0700, no-reply@patchew.org wrote:
> Hi,
> 
> This series seems to have some coding style problems. See output below for
> more information:
> 
> Type: series
> Message-id: 20170602031507.29881-1-david@gibson.dropbear.id.au
> Subject: [Qemu-devel] [PATCHv5 0/4] Clean up compatibility mode handling
> 
> === TEST SCRIPT BEGIN ===
> #!/bin/bash
> 
> BASE=base
> n=1
> total=$(git log --oneline $BASE.. | wc -l)
> failed=0
> 
> git config --local diff.renamelimit 0
> git config --local diff.renames True
> 
> commits="$(git log --format=%H --reverse $BASE..)"
> for c in $commits; do
>     echo "Checking PATCH $n/$total: $(git log -n 1 --format=%s $c)..."
>     if ! git show $c --format=email | ./scripts/checkpatch.pl --mailback -; then
>         failed=1
>         echo
>     fi
>     n=$((n+1))
> done
> 
> exit $failed
> === TEST SCRIPT END ===
> 
> Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
> Switched to a new branch 'test'
> 6ccf47f ppc: Rework CPU compatibility testing across migration
> 2b75df3 pseries: Reset CPU compatibility mode
> 282a89c pseries: Move CPU compatibility property to machine
> 8741a73 qapi: add explicit null to string input and output visitors
> 
> === OUTPUT BEGIN ===
> Checking PATCH 1/4: qapi: add explicit null to string input and output visitors...
> Checking PATCH 2/4: pseries: Move CPU compatibility property to machine...
> Checking PATCH 3/4: pseries: Reset CPU compatibility mode...
> Checking PATCH 4/4: ppc: Rework CPU compatibility testing across migration...
> ERROR: braces {} are necessary for all arms of this statement
> #94: FILE: target/ppc/machine.c:236:
> +    if (cpu->compat_pvr) {
> [...]
> +    } else
> [...]
> 
> total: 1 errors, 0 warnings, 100 lines checked

This is a false positive triggered by an #ifdef intersecting the
if/else.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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