[PATCH 2/4] checkpatch: add --fix for warning LINE_CONTINUATIONS

[Antonio Borneo]

The warning LINE_CONTINUATIONS does not offer a --fix.

Add the trivial --fix.
In case of consecutive lines with the same issue, this will
fix only the first line.

Signed-off-by: Antonio Borneo <borneo.antonio@xxxxxxxxx>
---
 scripts/checkpatch.pl | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index f40d4bb2fbb9..9a247183b65c 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5207,8 +5207,11 @@ sub process {
 			    $line !~ /^\+\s*\#.*\\$/ &&		# preprocessor
 			    $line !~ /^\+.*\b(__asm__|asm)\b.*\\$/ &&	# asm
 			    $line =~ /^\+.*\\$/) {
-				WARN("LINE_CONTINUATIONS",
-				     "Avoid unnecessary line continuations\n" . $herecurr);
+				if (WARN("LINE_CONTINUATIONS",
+					 "Avoid unnecessary line continuations\n" . $herecurr) &&
+				    $fix) {
+					$fixed[$fixlinenr] =~ s/\s*\\$//;
+				}
 			}
 		}
 
-- 
2.21.0