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.
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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