diff options
-rw-r--r-- | Documentation/SubmittingPatches | 4 | ||||
-rwxr-xr-x | scripts/checkpatch.pl | 9 |
2 files changed, 11 insertions, 2 deletions
diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches index 447671bd2927..b03a832a08e2 100644 --- a/Documentation/SubmittingPatches +++ b/Documentation/SubmittingPatches @@ -614,8 +614,8 @@ The canonical patch message body contains the following: - An empty line. - - The body of the explanation, which will be copied to the - permanent changelog to describe this patch. + - The body of the explanation, line wrapped at 75 columns, which will + be copied to the permanent changelog to describe this patch. - The "Signed-off-by:" lines, described above, which will also go in the changelog. diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index c72e7ee1000b..9a8b2bd14dc2 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1898,6 +1898,7 @@ sub process { my $in_header_lines = $file ? 0 : 1; my $in_commit_log = 0; #Scanning lines before patch + my $commit_log_long_line = 0; my $reported_maintainer_file = 0; my $non_utf8_charset = 0; @@ -2233,6 +2234,14 @@ sub process { "Remove Gerrit Change-Id's before submitting upstream.\n" . $herecurr); } +# Check for line lengths > 75 in commit log, warn once + if ($in_commit_log && !$commit_log_long_line && + length($line) > 75) { + WARN("COMMIT_LOG_LONG_LINE", + "Possible unwrapped commit description (prefer a maximum 75 chars per line)\n" . $herecurr); + $commit_log_long_line = 1; + } + # Check for git id commit length and improperly formed commit descriptions if ($in_commit_log && $line =~ /\b(c)ommit\s+([0-9a-f]{5,})/i) { my $init_char = $1; |