checkpatch: warn when networking block comment lines don't start with *

Some block comments in network are written as:

	/* block comment line 1
	   block comment line 2
	 */

Emit a warning on the "block comment line 2" because it should be

	/* block comment line 1
	 * block comment line 2
	 */

This warning is only emitted on the second line of a block comment.

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

1 files changed, 8 insertions, 0 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index a3922d0e4d25..576139a508a3 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1898,6 +1898,14 @@ sub process {
                 }
 
                 if ($realfile =~ m@^(drivers/net/|net/)@ &&
+                    $prevrawline =~ /^\+[ \t]*\/\*/ &&          #starting /*
+                    $prevrawline !~ /\*\/[ \t]*$/ &&            #no trailing */
+                    $rawline !~ /^\+[ \t]*\*/) {                #no leading *
+                        WARN("NETWORKING_BLOCK_COMMENT_STYLE",
+                             "networking block comments start with * on subsequent lines\n" . $hereprev);
+                }
+
+                if ($realfile =~ m@^(drivers/net/|net/)@ &&
                     $rawline !~ m@^\+[ \t]*\*/[ \t]*$@ &&       #trailing */
                     $rawline !~ m@^\+.*/\*.*\*/[ \t]*$@ &&      #inline /*...*/
                     $rawline !~ m@^\+.*\*{2,}/[ \t]*$@ &&       #trailing **/