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-rwxr-xr-xscripts/checkpatch.pl26
1 files changed, 24 insertions, 2 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index ba9ab2b42d73..5cb791eb4c6f 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5020,8 +5020,30 @@ sub process {
my ($s, $c) = ($stat, $cond);
if ($c =~ /\bif\s*\(.*[^<>!=]=[^=].*/s) {
- ERROR("ASSIGN_IN_IF",
- "do not use assignment in if condition\n" . $herecurr);
+ if (ERROR("ASSIGN_IN_IF",
+ "do not use assignment in if condition\n" . $herecurr) &&
+ $fix && $perl_version_ok) {
+ if ($rawline =~ /^\+(\s+)if\s*\(\s*(\!)?\s*\(\s*(($Lval)\s*=\s*$LvalOrFunc)\s*\)\s*(?:($Compare)\s*($FuncArg))?\s*\)\s*(\{)?\s*$/) {
+ my $space = $1;
+ my $not = $2;
+ my $statement = $3;
+ my $assigned = $4;
+ my $test = $8;
+ my $against = $9;
+ my $brace = $15;
+ fix_delete_line($fixlinenr, $rawline);
+ fix_insert_line($fixlinenr, "$space$statement;");
+ my $newline = "${space}if (";
+ $newline .= '!' if defined($not);
+ $newline .= '(' if (defined $not && defined($test) && defined($against));
+ $newline .= "$assigned";
+ $newline .= " $test $against" if (defined($test) && defined($against));
+ $newline .= ')' if (defined $not && defined($test) && defined($against));
+ $newline .= ')';
+ $newline .= " {" if (defined($brace));
+ fix_insert_line($fixlinenr + 1, $newline);
+ }
+ }
}
# Find out what is on the end of the line after the