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[PULL,v4,83/83] checkpatch: better pattern for inline comments

Message ID 20221107224600.934080-84-mst@redhat.com (mailing list archive)
State New, archived
Headers show
Series [PULL,v4,01/83] hw/i386/e820: remove legacy reserved entries for e820 | expand

Commit Message

Michael S. Tsirkin Nov. 7, 2022, 10:54 p.m. UTC 
checkpatch is unhappy about this line:

    WARNING: Block comments use a leading /* on a separate line
    #50: FILE: hw/acpi/nvdimm.c:1074:
    +                   aml_equal(aml_sizeof(pckg), aml_int(1)) /* 1 element? */));

but there's nothing wrong with it - the check is just too simplistic. It
will also miss lines which mix inline and block comments.

Instead, let's strip all inline comments from a line and then check for block
comments.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 scripts/checkpatch.pl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
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Patch

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index e3e3b43076..bc7d4780ec 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1681,8 +1681,10 @@  sub process {
 # Block comment styles
 
 		# Block comments use /* on a line of its own
-		if ($rawline !~ m@^\+.*/\*.*\*/[ \t)}]*$@ &&	#inline /*...*/
-		    $rawline =~ m@^\+.*/\*\*?+[ \t]*[^ \t]@) { # /* or /** non-blank
+		my $commentline = $rawline;
+		while ($commentline =~ s@^(\+.*)/\*.*\*/@$1@o) { # remove inline #inline /*...*/
+		}
+		if ($commentline =~ m@^\+.*/\*\*?+[ \t]*[^ \t]@) { # /* or /** non-blank
 			WARN("Block comments use a leading /* on a separate line\n" . $herecurr);
 		}