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-rwxr-xr-xscripts/checkpatch.pl7
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