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-rwxr-xr-xscripts/checkpatch.pl20
1 files changed, 20 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 5c00c1c02dab..4b314bd15a0d 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3239,6 +3239,26 @@ sub process {
#ignore lines not being added
next if ($line =~ /^[^\+]/);
+# check for declarations of signed or unsigned without int
+ while ($line =~ m{($Declare++)\s*($Ident)\s*[=,;\[\)]}g) {
+ my $type = $1;
+ my $var = $2;
+ if ($type =~ /^((?:un)?signed)((?:\s*\*)*)\s*$/) {
+ my $sign = $1;
+ my $pointer = $2;
+
+ $pointer = "" if (!defined $pointer);
+
+ if (WARN("UNSPECIFIED_INT",
+ "Prefer '" . trim($sign) . " int" . rtrim($pointer) . "' to bare use of '$sign" . rtrim($pointer) . "'\n" . $herecurr) &&
+ $fix) {
+ my $decl = trim($sign) . " int ";
+ $decl .= trim($pointer) if (rtrim($pointer) ne "");
+ $fixed[$fixlinenr] =~ s@\b\Q$type\E\s*$var\b@$decl$var@;
+ }
+ }
+ }
+
# TEST: allow direct testing of the type matcher.
if ($dbg_type) {
if ($line =~ /^.\s*$Declare\s*$/) {