Add an explicit check for leading /* but missing */
to avoid a malformed SPDX line.

In many cases an SPDX-License-Identifier line immediately
precedes another C-style comment.  In that case, if
the SPDX line starts with '/*' but is missing the closing '*/',
the compiler may not catch it (the leading '/*' on
the next line and the rest of the header comment is just
treated as part of the SPDX comment).

Signed-off-by: Tim Bird <[email protected]>
---
 scripts/checkpatch.pl | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index c0250244cf7a..1cc3fd5e72af 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3794,6 +3794,11 @@ sub process {
                                        WARN("SPDX_LICENSE_TAG",
                                             "Improper SPDX comment style for 
'$realfile', please use '$comment' instead\n" . $herecurr);
                                }
+                               if ($comment eq '/*' &&
+                                   $rawline !~ m@\*/@) {
+                                       WARN("SPDX_LICENSE_TAG",
+                                            "Improper SPDX comment style for 
'$realfile', missing closing '*/'\n" . $herecurr);
+                               }
 
                                if ($comment !~ /^$/ &&
                                    $rawline !~ m@^\+\Q$comment\E 
SPDX-License-Identifier: @) {
-- 
2.43.0


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