The patch titled Subject: checkpatch: improve TYPECAST_INT_CONSTANT test message has been added to the -mm tree. Its filename is checkpatch-improve-typecast_int_constant-test-message.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/checkpatch-improve-typecast_int_constant-test-message.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/checkpatch-improve-typecast_int_constant-test-message.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Joe Perches <joe@xxxxxxxxxxx> Subject: checkpatch: improve TYPECAST_INT_CONSTANT test message Improve the TYPECAST_INT_CONSTANT test by showing the suggested conversion for various type of uses like (unsigned int)1 to 1U. Link: https://lkml.kernel.org/r/ecefe8dcb93fe7028311b69dd297ba52224233d4.camel@xxxxxxxxxxx Signed-off-by: Joe Perches <joe@xxxxxxxxxxx> Cc: Douglas Gilbert <dgilbert@xxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- scripts/checkpatch.pl | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) --- a/scripts/checkpatch.pl~checkpatch-improve-typecast_int_constant-test-message +++ a/scripts/checkpatch.pl @@ -6527,18 +6527,18 @@ sub process { if ($line =~ /(\(\s*$C90_int_types\s*\)\s*)($Constant)\b/) { my $cast = $1; my $const = $2; + my $suffix = ""; + my $newconst = $const; + $newconst =~ s/${Int_type}$//; + $suffix .= 'U' if ($cast =~ /\bunsigned\b/); + if ($cast =~ /\blong\s+long\b/) { + $suffix .= 'LL'; + } elsif ($cast =~ /\blong\b/) { + $suffix .= 'L'; + } if (WARN("TYPECAST_INT_CONSTANT", - "Unnecessary typecast of c90 int constant\n" . $herecurr) && + "Unnecessary typecast of c90 int constant - '$cast$const' could be '$const$suffix'\n" . $herecurr) && $fix) { - my $suffix = ""; - my $newconst = $const; - $newconst =~ s/${Int_type}$//; - $suffix .= 'U' if ($cast =~ /\bunsigned\b/); - if ($cast =~ /\blong\s+long\b/) { - $suffix .= 'LL'; - } elsif ($cast =~ /\blong\b/) { - $suffix .= 'L'; - } $fixed[$fixlinenr] =~ s/\Q$cast\E$const\b/$newconst$suffix/; } } _ Patches currently in -mm which might be from joe@xxxxxxxxxxx are checkpatch-improve-blank-line-after-declaration-test.patch checkpatch-prefer-ftrace-over-function-entry-exit-printks.patch checkpatch-improve-typecast_int_constant-test-message.patch