checkpatch: add --fix option for a couple OPEN_BRACE misuses

Style misuses of these types are corrected:

  typedef struct foo
  {
        int bar;
  };

  int foo(int bar) { return bar+1;
  }

  int foo(int bar) {
        return bar+1;
  }

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 28 insertions, 5 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 569ba315823e..1e95953b488f 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3164,17 +3164,40 @@ sub process {
 
 # function brace can't be on same line, except for #defines of do while,
 # or if closed on same line
-                if (($line=~/$Type\s*$Ident\(.*\).*\s{/) and
+                if (($line=~/$Type\s*$Ident\(.*\).*\s*{/) and
                     !($line=~/\#\s*define.*do\s{/) and !($line=~/}/)) {
-                        ERROR("OPEN_BRACE",
-                              "open brace '{' following function declarations go on the next line\n" . $herecurr);
+                        if (ERROR("OPEN_BRACE",
+                                  "open brace '{' following function declarations go on the next line\n" . $herecurr) &&
+                            $fix) {
+                                fix_delete_line($fixlinenr, $rawline);
+                                my $fixed_line = $rawline;
+                                $fixed_line =~ /(^..*$Type\s*$Ident\(.*\)\s*){(.*)$/;
+                                my $line1 = $1;
+                                my $line2 = $2;
+                                fix_insert_line($fixlinenr, ltrim($line1));
+                                fix_insert_line($fixlinenr, "\+{");
+                                if ($line2 !~ /^\s*$/) {
+                                        fix_insert_line($fixlinenr, "\+\t" . trim($line2));
+                                }
+                        }
                 }
 
 # open braces for enum, union and struct go on the same line.
                 if ($line =~ /^.\s*{/ &&
                     $prevline =~ /^.\s*(?:typedef\s+)?(enum|union|struct)(?:\s+$Ident)?\s*$/) {
-                        ERROR("OPEN_BRACE",
-                              "open brace '{' following $1 go on the same line\n" . $hereprev);
+                        if (ERROR("OPEN_BRACE",
+                                  "open brace '{' following $1 go on the same line\n" . $hereprev) &&
+                            $fix && $prevline =~ /^\+/ && $line =~ /^\+/) {
+                                fix_delete_line($fixlinenr - 1, $prevrawline);
+                                fix_delete_line($fixlinenr, $rawline);
+                                my $fixedline = rtrim($prevrawline) . " {";
+                                fix_insert_line($fixlinenr, $fixedline);
+                                $fixedline = $rawline;
+                                $fixedline =~ s/^(.\s*){\s*/$1\t/;
+                                if ($fixedline !~ /^\+\s*$/) {
+                                        fix_insert_line($fixlinenr, $fixedline);
+                                }
+                        }
                 }
 
 # missing space after union, struct or enum definition