The patch titled Subject: checkpatch: only encode UTF-8 quoted printable mail headers has been removed from the -mm tree. Its filename was checkpatch-warn-if-missing-author-signed-off-by-fix.patch This patch was dropped because it was folded into checkpatch-warn-if-missing-author-signed-off-by.patch ------------------------------------------------------ From: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Subject: checkpatch: only encode UTF-8 quoted printable mail headers As PERL uses its own internal character encoding, always calling encode("utf8", ...) on the author name may cause corruption, leading to an author signoff mismatch. This happens in the following cases: - If a patch is in ISO-8859, and contains a non-ASCII author name in the From: line, it is converted to UTF-8, while the Signed-off-by line will still be in ISO-8859. - If a patch is in UTF-8, and contains a non-ASCII author name in the body (not header) From: line, it is assumed to be encoded in PERL's internal character encoding, and converted to UTF-8 incorrectly, while the Signed-off-by line will be in real UTF-8. Fix this by only doing the encode step if the From: line used UTF-8 quoted printable encoding. Link: http://lkml.kernel.org/r/20180718145254.4770-1-geert+renesas@xxxxxxxxx Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Reported-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Joe Perches <joe@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- scripts/checkpatch.pl | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/scripts/checkpatch.pl~checkpatch-warn-if-missing-author-signed-off-by-fix +++ a/scripts/checkpatch.pl @@ -2523,7 +2523,8 @@ sub process { # Check the patch for a From: if (decode("MIME-Header", $line) =~ /^From:\s*(.*)/) { - $author = encode("utf8", $1); + $author = $1; + $author = encode("utf8", $author) if ($line =~ /=\?utf-8\?/i); $author =~ s/"//g; } _ Patches currently in -mm which might be from geert+renesas@xxxxxxxxx are checkpatch-update-section-keywords.patch checkpatch-warn-if-missing-author-signed-off-by.patch