checkpatch: add sub routine get_stat_real()

checkpatch currently contains duplicate code.  We can define a sub
routine and call that instead.  This reduces code duplication and line
count.

Add subroutine get_stat_real()

Link: http://lkml.kernel.org/r/1519700648-23108-2-git-send-email-me@tobin.cc
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 43322bd..a0808e4 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1645,6 +1645,17 @@ sub raw_line {
        return $line;
 }
 
+sub get_stat_real {
+       my ($linenr, $lc) = @_;
+
+       my $stat_real = raw_line($linenr, 0);
+       for (my $count = $linenr + 1; $count <= $lc; $count++) {
+               $stat_real = $stat_real . "\n" . raw_line($count, 0);
+       }
+
+       return $stat_real;
+}
+
 sub cat_vet {
        my ($vet) = @_;
        my ($res, $coded);
@@ -5821,17 +5832,15 @@ sub process {
                                }
                        }
                        if ($bad_extension ne "") {
-                               my $stat_real = raw_line($linenr, 0);
+                               my $stat_real = get_stat_real($linenr, $lc);
                                my $ext_type = "Invalid";
                                my $use = "";
-                               for (my $count = $linenr + 1; $count <= $lc; $count++) {
-                                       $stat_real = $stat_real . "\n" . raw_line($count, 0);
-                               }
                                if ($bad_extension =~ /p[Ff]/) {
                                        $ext_type = "Deprecated";
                                        $use = " - use %pS instead";
                                        $use =~ s/pS/ps/ if ($bad_extension =~ /pf/);
                                }
+
                                WARN("VSPRINTF_POINTER_EXTENSION",
                                     "$ext_type vsprintf pointer extension '$bad_extension'$use\n" . "$here\n$stat_real\n");
                        }
@@ -5946,10 +5955,7 @@ sub process {
                     $stat !~ /(?:$Compare)\s*\bsscanf\s*$balanced_parens/)) {
                        my $lc = $stat =~ tr@\n@@;
                        $lc = $lc + $linenr;
-                       my $stat_real = raw_line($linenr, 0);
-                       for (my $count = $linenr + 1; $count <= $lc; $count++) {
-                               $stat_real = $stat_real . "\n" . raw_line($count, 0);
-                       }
+                       my $stat_real = get_stat_real($linenr, $lc);
                        WARN("NAKED_SSCANF",
                             "unchecked sscanf return value\n" . "$here\n$stat_real\n");
                }
@@ -5960,10 +5966,7 @@ sub process {
                    $line =~ /\bsscanf\b/) {
                        my $lc = $stat =~ tr@\n@@;
                        $lc = $lc + $linenr;
-                       my $stat_real = raw_line($linenr, 0);
-                       for (my $count = $linenr + 1; $count <= $lc; $count++) {
-                               $stat_real = $stat_real . "\n" . raw_line($count, 0);
-                       }
+                       my $stat_real = get_stat_real($linenr, $lc);
                        if ($stat_real =~ /\bsscanf\b\s*\(\s*$FuncArg\s*,\s*("[^"]+")/) {
                                my $format = $6;
                                my $count = $format =~ tr@%@%@;
@@ -6397,10 +6400,7 @@ sub process {
 
                                my $lc = $stat =~ tr@\n@@;
                                $lc = $lc + $linenr;
-                               my $stat_real = raw_line($linenr, 0);
-                               for (my $count = $linenr + 1; $count <= $lc; $count++) {
-                                       $stat_real = $stat_real . "\n" . raw_line($count, 0);
-                               }
+                               my $stat_real = get_stat_real($linenr, $lc);
 
                                my $skip_args = "";
                                if ($arg_pos > 1) {