checkpatch: fix false positive on empty block comment lines
To avoid false positives in presence of SPDX-License-Identifier in
networking files it is required to increase the leeway for empty block
comment lines by one line.
For example, checking drivers/net/loopback.c which starts with
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
rsults in an unnecessary warning
WARNING: networking block comments don't use an empty /* line, use /* Comment...
+/*
+ * INET An implementation of the TCP/IP protocol suite for the LINUX
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Joe Perches <joe@perches.com>
Cc: Bartłomiej Żolnierkiewicz <b.zolnierkie@samsung.co>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lkml.kernel.org/r/20201006083509.19934-1-l.stelmach@samsung.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 8a5f036..e1ddcaf 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3464,7 +3464,7 @@
if ($realfile =~ m@^(drivers/net/|net/)@ &&
$prevrawline =~ /^\+[ \t]*\/\*[ \t]*$/ &&
$rawline =~ /^\+[ \t]*\*/ &&
- $realline > 2) {
+ $realline > 3) { # Do not warn about the initial copyright comment block after SPDX-License-Identifier
WARN("NETWORKING_BLOCK_COMMENT_STYLE",
"networking block comments don't use an empty /* line, use /* Comment...\n" . $hereprev);
}
