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authorDwaipayan Ray <dwaipayanray1@gmail.com>2020-12-15 20:45:18 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-12-15 22:46:17 -0800
commit084a617acfa08118eafb51a6ef43e6fa4705853d (patch)
tree2ec80eeaf4630bf9fb95767982b1b694f9905286 /scripts
parent70eb2275ff8e0b4cafe67176674d580c987c071d (diff)
downloadlinux-084a617acfa08118eafb51a6ef43e6fa4705853d.tar.gz
checkpatch: add warning for lines starting with a '#' in commit log
Commit log lines starting with '#' are dropped by git as comments.
Add a check to emit a warning for these lines.

Also add a --fix option to insert a space before the leading '#' in
such lines.

Link: https://lkml.kernel.org/r/20201202205740.127986-1-dwaipayanray1@gmail.com
Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com>
Suggested-by: Joe Perches <joe@perches.com>
Suggested-by: Peilin Ye <yepeilin.cs@gmail.com>
Tested-by: Peilin Ye <yepeilin.cs@gmail.com>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/checkpatch.pl9
1 files changed, 9 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 2716b9bfc0c2..b7dde7260921 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3033,6 +3033,15 @@ sub process {
 			$commit_log_possible_stack_dump = 0;
 		}
 
+# Check for lines starting with a #
+		if ($in_commit_log && $line =~ /^#/) {
+			if (WARN("COMMIT_COMMENT_SYMBOL",
+				 "Commit log lines starting with '#' are dropped by git as comments\n" . $herecurr) &&
+			    $fix) {
+				$fixed[$fixlinenr] =~ s/^/ /;
+			}
+		}
+
 # Check for git id commit length and improperly formed commit descriptions
 		if ($in_commit_log && !$commit_log_possible_stack_dump &&
 		    $line !~ /^\s*(?:Link|Patchwork|http|https|BugLink|base-commit):/i &&