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checkpatch: ensure we actually detect if assignments split across lines

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When checking for assignments within if conditionals we check the whole of
the condition, but the match is performed using a line constrained regular
expression.  This means we can miss split conditionals or those on the
second line.  Allow the check to span lines.

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andy Whitcroft 2009-01-06 14:41:29 -08:00 committed by Linus Torvalds
parent 2d1bafd799
commit b53c8e104e
1 changed files with 1 additions and 1 deletions
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2
scripts/checkpatch.pl
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@ -2048,7 +2048,7 @@ sub process {
$line =~ /\b(?:if|while|for)\s*\(/ && $line !~ /^.\s*#/) {
my ($s, $c) = ($stat, $cond);
if ($c =~ /\bif\s*\(.*[^<>!=]=[^=].*/) {
if ($c =~ /\bif\s*\(.*[^<>!=]=[^=].*/s) {
ERROR("do not use assignment in if condition\n" . $herecurr);
}