checkpatch: fix networking kernel-doc block comment defect

checkpatch can generate a false positive when inserting a new kernel-doc
block and function above an existing kernel-doc block.

Fix it by checking that the context line is also a newly inserted line.

Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index e2cb1f4..9185883 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2086,6 +2086,7 @@ sub process {
                if ($realfile =~ m@^(drivers/net/|net/)@ &&
                    $prevrawline =~ /^\+[ \t]*\/\*/ &&          #starting /*
                    $prevrawline !~ /\*\/[ \t]*$/ &&            #no trailing */
+                   $rawline =~ /^\+/ &&                        #line is new
                    $rawline !~ /^\+[ \t]*\*/) {                #no leading *
                        WARN("NETWORKING_BLOCK_COMMENT_STYLE",
                             "networking block comments start with * on subsequent lines\n" . $hereprev);