> From: Andi Kleen <a...@linux.intel.com>
>
> Writing _xbegin which is like setjmp in a if is very natural.
> Stop checkpatch's whining about this.
This patch should go in before the RTM tester.
>
> Cc: a...@canonical.com
> Signed-off-by: Andi Kleen <a...@linux.intel.com>
> ---
> scripts/checkpatch.pl | 5 ++++-
> 1 files changed, 4 insertions(+), 1 deletions(-)
>
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index b28cc38..659e683 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -2831,7 +2831,10 @@ sub process {
> $line =~ /\b(?:if|while|for)\s*\(/ && $line !~ /^.\s*#/) {
> my ($s, $c) = ($stat, $cond);
>
> - if ($c =~ /\bif\s*\(.*[^<>!=]=[^=].*/s) {
> + # if ((status = _xbegin()) == _XBEGIN_STARTED) is
> natural,
> + # so don't warn about this case.
> + if ($c =~ /\bif\s*\(.*[^<>!=]=[^=].*/s &&
> + $c !~ /_xbegin/) {
> ERROR("ASSIGN_IN_IF",
> "do not use assignment in if condition\n"
> . $herecurr);
> }
> --
> 1.7.7.6
>
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