Commit 654784284430 ("kernel-doc: bugfix - multi-line macros") introduces
pre-processing of backslashes at the end of a line to not break multi-line
macros. This pre-processing is done independently if it is inside code or
inside a comment.

This illustation of a hierarchy as a code block inside a kernel-doc comment
has a backslash at the end of the line:

---8<---
/**
 * DOC: hierarchy
 *
 *                    Top Level
 *                /               \
 *         Child A                 Child B
 */
---8<---

It will be displayed as:

---8<---
             Top Level
         /                *        Child A                 Child B
---8<---

To prevent this, do the pre-processing only for lines which are no
comments, e.g. do not start with ' *'.

Suggested-by: Matthew Wilcox <wi...@infradead.org>
Signed-off-by: Anna-Maria Behnsen <anna-ma...@linutronix.de>
---
 scripts/kernel-doc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index e8aefd258a29..4277af79de86 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -2331,7 +2331,7 @@ sub process_file($) {
 
     $section_counter = 0;
     while (<IN_FILE>) {
-       while (s/\\\s*$//) {
+       while (!/^ \*/ && s/\\\s*$//) {
            $_ .= <IN_FILE>;
        }
        # Replace tabs by spaces
-- 
2.39.2

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