Perl 5.22 onwards require that "A literal "{" should now be
escaped in a pattern".

checkpatch contains several literal "{". Fix such instances
by preceding them with a backslash.

Signed-off-by: Dwaipayan Ray <[email protected]>
---
 scripts/checkpatch.pl | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 00085308ed9d..8e80a158bf5a 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1652,7 +1652,7 @@ sub statement_block_size {
        my ($stmt) = @_;
 
        $stmt =~ s/(^|\n)./$1/g;
-       $stmt =~ s/^\s*{//;
+       $stmt =~ s/^\s*\{//;
        $stmt =~ s/}\s*$//;
        $stmt =~ s/^\s*//;
        $stmt =~ s/\s*$//;
@@ -2036,7 +2036,7 @@ sub annotate_values {
                        print "ASSIGN($1)\n" if ($dbg_values > 1);
                        $type = 'N';
 
-               } elsif ($cur =~/^(;|{|})/) {
+               } elsif ($cur =~ /^(;|\{|\})/) {
                        print "END($1)\n" if ($dbg_values > 1);
                        $type = 'E';
                        $av_pend_colon = 'O';
@@ -3913,7 +3913,7 @@ sub process {
                        # it there is no point in retrying a statement scan
                        # until we hit end of it.
                        my $frag = $stat; $frag =~ s/;+\s*$//;
-                       if ($frag !~ /(?:{|;)/) {
+                       if ($frag !~ /(?:\{|;)/) {
 #print "skip<$line_nr_next>\n";
                                $suppress_statement = $line_nr_next;
                        }
@@ -4029,7 +4029,7 @@ sub process {
                        #print "realcnt<$realcnt> ctx_cnt<$ctx_cnt>\n";
                        #print 
"pre<$pre_ctx>\nline<$line>\nctx<$ctx>\nnext<$lines[$ctx_ln - 1]>\n";
 
-                       if ($ctx !~ /{\s*/ && defined($lines[$ctx_ln - 1]) && 
$lines[$ctx_ln - 1] =~ /^\+\s*{/) {
+                       if ($ctx !~ /\{\s*/ && defined($lines[$ctx_ln - 1]) && 
$lines[$ctx_ln - 1] =~ /^\+\s*\{/) {
                                ERROR("OPEN_BRACE",
                                      "that open brace { should be on the 
previous line\n" .
                                        "$here\n$ctx\n$rawlines[$ctx_ln - 
1]\n");
@@ -4080,7 +4080,7 @@ sub process {
                        my $continuation = 0;
                        my $check = 0;
                        $s =~ s/^.*\bdo\b//;
-                       $s =~ s/^\s*{//;
+                       $s =~ s/^\s*\{//;
                        if ($s =~ s/^\s*\\//) {
                                $continuation = 1;
                        }
@@ -4235,7 +4235,7 @@ sub process {
                }
 
 # check for initialisation to aggregates open brace on the next line
-               if ($line =~ /^.\s*{/ &&
+               if ($line =~ /^.\s*\{/ &&
                    $prevline =~ /(?:^|[^=])=\s*$/) {
                        if (ERROR("OPEN_BRACE",
                                  "that open brace { should be on the previous 
line\n" . $hereprev) &&
@@ -4243,7 +4243,7 @@ sub process {
                                fix_delete_line($fixlinenr - 1, $prevrawline);
                                fix_delete_line($fixlinenr, $rawline);
                                my $fixedline = $prevrawline;
-                               $fixedline =~ s/\s*=\s*$/ = {/;
+                               $fixedline =~ s/\s*=\s*$/ = \{/;
                                fix_insert_line($fixlinenr, $fixedline);
                                $fixedline = $line;
                                $fixedline =~ s/^(.\s*)\{\s*/$1/;
@@ -4617,7 +4617,7 @@ sub process {
                }
 
 # open braces for enum, union and struct go on the same line.
-               if ($line =~ /^.\s*{/ &&
+               if ($line =~ /^.\s*\{/ &&
                    $prevline =~ 
/^.\s*(?:typedef\s+)?(enum|union|struct)(?:\s+$Ident)?\s*$/) {
                        if (ERROR("OPEN_BRACE",
                                  "open brace '{' following $1 go on the same 
line\n" . $hereprev) &&
@@ -5345,7 +5345,7 @@ sub process {
 
 # Check for illegal assignment in if conditional -- and check for trailing
 # statements after the conditional.
-               if ($line =~ /do\s*(?!{)/) {
+               if ($line =~ /do\s*(?!\{)/) {
                        ($stat, $cond, $line_nr_next, $remain_next, $off_next) =
                                ctx_statement_block($linenr, $realcnt, 0)
                                        if (!defined $stat);
@@ -5403,7 +5403,7 @@ sub process {
                        substr($s, 0, length($c), '');
                        $s =~ s/\n.*//g;
                        $s =~ s/$;//g;  # Remove any comments
-                       if (length($c) && $s !~ /^\s*{?\s*\\*\s*$/ &&
+                       if (length($c) && $s !~ /^\s*\{?\s*\\*\s*$/ &&
                            $c !~ /}\s*while\s*/)
                        {
                                # Find out how long the conditional actually is.
@@ -5442,7 +5442,7 @@ sub process {
                if ($line =~ /^.\s*(?:}\s*)?else\b(.*)/) {
                        my $s = $1;
                        $s =~ s/$;//g;  # Remove any comments
-                       if ($s !~ /^\s*(?:\sif|(?:{|)\s*\\?\s*$)/) {
+                       if ($s !~ /^\s*(?:\sif|(?:\{|)\s*\\?\s*$)/) {
                                ERROR("TRAILING_STATEMENTS",
                                      "trailing statements should be on next 
line\n" . $herecurr);
                        }
@@ -5659,7 +5659,7 @@ sub process {
                            $dstat !~ /^while\s*$Constant\s*$Constant\s*$/ &&   
        # while (...) {...}
                            $dstat !~ /^for\s*$Constant$/ &&                    
        # for (...)
                            $dstat !~ 
/^for\s*$Constant\s+(?:$Ident|-?$Constant)$/ &&   # for (...) bar()
-                           $dstat !~ /^do\s*{/ &&                              
        # do {...
+                           $dstat !~ /^do\s*\{/ &&                             
        # do {...
                            $dstat !~ /^\(\{/ &&                                
                # ({...
                            $ctx !~ 
/^.\s*#\s*define\s+TRACE_(?:SYSTEM|INCLUDE_FILE|INCLUDE_PATH)\b/)
                        {
@@ -5811,7 +5811,7 @@ sub process {
 
                                        substr($block, 0, length($cond), '');
 
-                                       $seen++ if ($block =~ /^\s*{/);
+                                       $seen++ if ($block =~ /^\s*\{/);
 
                                        #print "cond<$cond> block<$block> 
allowed<$allowed[$allow]>\n";
                                        if (statement_lines($cond) > 1) {
@@ -5909,7 +5909,7 @@ sub process {
                                fix_delete_line($fixlinenr - 1, $prevrawline);
                        }
                }
-               if (($rawline =~ /^.\s*$/ && $prevline =~ /^..*{\s*$/)) {
+               if (($rawline =~ /^.\s*$/ && $prevline =~ /^..*\{\s*$/)) {
                        if (CHK("BRACES",
                                "Blank lines aren't necessary after an open 
brace '{'\n" . $hereprev) &&
                            $fix) {
-- 
2.27.0

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