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lint/checkpatch: Add check for unnecessary <signed> int declarations 

This reduce the difference with linux v6.5-rc4.

Change-Id: I64bbc09b531ea217514601386dd517af92aa40f1
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70200
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Elyes Haouas 2023-08-01 18:39:07 +02:00
parent e572765be1
commit b8c0e326a3
1 changed files with 20 additions and 0 deletions
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20
util/lint/checkpatch.pl
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@ -4214,6 +4214,26 @@ sub process {
"type '$tmp' should be specified in [[un]signed] [short|int|long|long long] order\n" . $herecurr);
}
# check for unnecessary <signed> int declarations of short/long/long long
while ($sline =~ m{\b($TypeMisordered(\s*\*)*|$C90_int_types)\b}g) {
my $type = trim($1);
next if ($type !~ /\bint\b/);
next if ($type !~ /\b(?:short|long\s+long|long)\b/);
my $new_type = $type;
$new_type =~ s/\b\s*int\s*\b/ /;
$new_type =~ s/\b\s*(?:un)?signed\b\s*/ /;
$new_type =~ s/^const\s+//;
$new_type = "unsigned $new_type" if ($type =~ /\bunsigned\b/);
$new_type = "const $new_type" if ($type =~ /^const\b/);
$new_type =~ s/\s+/ /g;
$new_type = trim($new_type);
if (WARN("UNNECESSARY_INT",
"Prefer '$new_type' over '$type' as the int is unnecessary\n" . $herecurr) &&
$fix) {
$fixed[$fixlinenr] =~ s/\b\Q$type\E\b/$new_type/;
}
}
# check for static const char * arrays.
if ($line =~ /\bstatic\s+const\s+char\s*\*\s*(\w+)\s*\[\s*\]\s*=\s*/) {
WARN("STATIC_CONST_CHAR_ARRAY",