From 709fdb19954691cffb3fd9a827cb2a7f1f35b5e8 Mon Sep 17 00:00:00 2001 From: Elyes Haouas Date: Sat, 28 May 2022 10:03:10 +0200 Subject: [PATCH] util/lint/checkpatch: Add alloc functions to alloc with multiplies check This reduce difference with linux v5.18. Change-Id: Id9412f7b6c0b9f76b39a094142aaded5c2aa1059 Signed-off-by: Elyes Haouas Reviewed-on: https://review.coreboot.org/c/coreboot/+/64740 Tested-by: build bot (Jenkins) Reviewed-by: Martin L Roth --- util/lint/checkpatch.pl | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/util/lint/checkpatch.pl b/util/lint/checkpatch.pl index 22f2d3e372..b7b534a552 100755 --- a/util/lint/checkpatch.pl +++ b/util/lint/checkpatch.pl @@ -6486,14 +6486,16 @@ sub process { "Prefer $3(sizeof(*$1)...) over $3($4...)\n" . $herecurr); } -# check for k[mz]alloc with multiplies that could be kmalloc_array/kcalloc +# check for (kv|k)[mz]alloc with multiplies that could be kmalloc_array/kvmalloc_array/kvcalloc/kcalloc if ($perl_version_ok && defined $stat && - $stat =~ /^\+\s*($Lval)\s*\=\s*(?:$balanced_parens)?\s*(k[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)\s*,/) { + $stat =~ /^\+\s*($Lval)\s*\=\s*(?:$balanced_parens)?\s*((?:kv|k)[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)\s*,/) { my $oldfunc = $3; my $a1 = $4; my $a2 = $10; my $newfunc = "kmalloc_array"; + $newfunc = "kvmalloc_array" if ($oldfunc eq "kvmalloc"); + $newfunc = "kvcalloc" if ($oldfunc eq "kvzalloc"); $newfunc = "kcalloc" if ($oldfunc eq "kzalloc"); my $r1 = $a1; my $r2 = $a2; @@ -6510,7 +6512,7 @@ sub process { "Prefer $newfunc over $oldfunc with multiply\n" . $herectx) && $cnt == 1 && $fix) { - $fixed[$fixlinenr] =~ s/\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*(k[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)/$1 . ' = ' . "$newfunc(" . trim($r1) . ', ' . trim($r2)/e; + $fixed[$fixlinenr] =~ s/\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*((?:kv|k)[mz]alloc)\s*\(\s*($FuncArg)\s*\*\s*($FuncArg)/$1 . ' = ' . "$newfunc(" . trim($r1) . ', ' . trim($r2)/e; } } }