diff options
Diffstat (limited to 'scripts/checkpatch.pl')
| -rwxr-xr-x | scripts/checkpatch.pl | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 34df753571..3dc27d9656 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2475,8 +2475,11 @@ sub process { # no volatiles please my $asm_volatile = qr{\b(__asm__|asm)\s+(__volatile__|volatile)\b}; - if ($line =~ /\bvolatile\b/ && $line !~ /$asm_volatile/) { - ERROR("Use of volatile is usually wrong: see Documentation/volatile-considered-harmful.txt\n" . $herecurr); + if ($line =~ /\bvolatile\b/ && $line !~ /$asm_volatile/ && + $line !~ /sig_atomic_t/ && + !ctx_has_comment($first_line, $linenr)) { + my $msg = "Use of volatile is usually wrong, please add a comment\n" . $herecurr; + ERROR($msg); } # warn about #if 0 |