checkpatch: indent checks -- stop when we run out of continuation lines Ensure we terminate when there are no futher continuation lines when trying to determine relative indent of conditionals and their blocks. Reported-by: John Daiker <[email protected]> Signed-off-by: Andy Whitcroft <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index aa009a3..b6f267b 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl

@@ -1547,8 +1547,9 @@
 				    $s =~ /^\s*#\s*?/ ||
 				    $s =~ /^\s*$Ident\s*:/) {
 					$continuation = ($s =~ /^.*?\\\n/) ? 1 : 0;
-					$s =~ s/^.*?\n//;
-					$cond_lines++;
+					if ($s =~ s/^.*?\n//) {
+						$cond_lines++;
+					}
 				}
 			}