diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index faeace4e1fd0..0abfdbc5cdff 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -306,7 +306,7 @@ sub read_mailmap {
     my $mailmap = {
 	names => {},
 	addresses => {}
-   };
+    };
 
     if (!$email_remove_duplicates) {
 	return $mailmap;
@@ -327,39 +327,39 @@ sub read_mailmap {
 	# name1 <mail1> name2 <mail2>
 	# (see man git-shortlog)
 	if (/^(.+)<(.+)>$/) {
-		my $real_name = $1;
-		my $address = $2;
+	    my $real_name = $1;
+	    my $address = $2;
 
-		$real_name =~ s/\s+$//;
-		$mailmap->{names}->{$address} = $real_name;
+	    $real_name =~ s/\s+$//;
+	    $mailmap->{names}->{$address} = $real_name;
 
 	} elsif (/^<([^\s]+)>\s*<([^\s]+)>$/) {
-		my $real_address = $1;
-		my $wrong_address = $2;
+	    my $real_address = $1;
+	    my $wrong_address = $2;
 
-		$mailmap->{addresses}->{$wrong_address} = $real_address;
+	    $mailmap->{addresses}->{$wrong_address} = $real_address;
 
 	} elsif (/^(.+)<([^\s]+)>\s*<([^\s]+)>$/) {
-		my $real_name= $1;
-		my $real_address = $2;
-		my $wrong_address = $3;
+	    my $real_name= $1;
+	    my $real_address = $2;
+	    my $wrong_address = $3;
 
-		$real_name =~ s/\s+$//;
+	    $real_name =~ s/\s+$//;
 
-		$mailmap->{names}->{$wrong_address} = $real_name;
-		$mailmap->{addresses}->{$wrong_address} = $real_address;
+	    $mailmap->{names}->{$wrong_address} = $real_name;
+	    $mailmap->{addresses}->{$wrong_address} = $real_address;
 
 	} elsif (/^(.+)<([^\s]+)>\s*([^\s].*)<([^\s]+)>$/) {
-		my $real_name = $1;
-		my $real_address = $2;
-		my $wrong_name = $3;
-		my $wrong_address = $4;
+	    my $real_name = $1;
+	    my $real_address = $2;
+	    my $wrong_name = $3;
+	    my $wrong_address = $4;
 
-		$real_name =~ s/\s+$//;
-		$wrong_name =~ s/\s+$//;
+	    $real_name =~ s/\s+$//;
+	    $wrong_name =~ s/\s+$//;
 
-		$mailmap->{names}->{format_email($wrong_name,$wrong_address,1)} = $real_name;
-		$mailmap->{addresses}->{format_email($wrong_name,$wrong_address,1)} = $real_address;
+	    $mailmap->{names}->{format_email($wrong_name,$wrong_address,1)} = $real_name;
+	    $mailmap->{addresses}->{format_email($wrong_name,$wrong_address,1)} = $real_address;
 	}
     }
     close($mailmap_file);
@@ -743,30 +743,30 @@ sub usage {
 }
 
 sub top_of_kernel_tree {
-	my ($lk_path) = @_;
+    my ($lk_path) = @_;
 
-	if ($lk_path ne "" && substr($lk_path,length($lk_path)-1,1) ne "/") {
-	    $lk_path .= "/";
-	}
-	if (   (-f "${lk_path}COPYING")
-	    && (-f "${lk_path}CREDITS")
-	    && (-f "${lk_path}Kbuild")
-	    && (-f "${lk_path}MAINTAINERS")
-	    && (-f "${lk_path}Makefile")
-	    && (-f "${lk_path}README")
-	    && (-d "${lk_path}Documentation")
-	    && (-d "${lk_path}arch")
-	    && (-d "${lk_path}include")
-	    && (-d "${lk_path}drivers")
-	    && (-d "${lk_path}fs")
-	    && (-d "${lk_path}init")
-	    && (-d "${lk_path}ipc")
-	    && (-d "${lk_path}kernel")
-	    && (-d "${lk_path}lib")
-	    && (-d "${lk_path}scripts")) {
-		return 1;
-	}
-	return 0;
+    if ($lk_path ne "" && substr($lk_path,length($lk_path)-1,1) ne "/") {
+	$lk_path .= "/";
+    }
+    if (   (-f "${lk_path}COPYING")
+	&& (-f "${lk_path}CREDITS")
+	&& (-f "${lk_path}Kbuild")
+	&& (-f "${lk_path}MAINTAINERS")
+	&& (-f "${lk_path}Makefile")
+	&& (-f "${lk_path}README")
+	&& (-d "${lk_path}Documentation")
+	&& (-d "${lk_path}arch")
+	&& (-d "${lk_path}include")
+	&& (-d "${lk_path}drivers")
+	&& (-d "${lk_path}fs")
+	&& (-d "${lk_path}init")
+	&& (-d "${lk_path}ipc")
+	&& (-d "${lk_path}kernel")
+	&& (-d "${lk_path}lib")
+	&& (-d "${lk_path}scripts")) {
+	return 1;
+    }
+    return 0;
 }
 
 sub parse_email {
@@ -1107,29 +1107,30 @@ sub which_conf {
 }
 
 sub mailmap_email {
-	my $line = shift;
+    my $line = shift;
 
-	my ($name, $address) = parse_email($line);
-	my $email = format_email($name, $address, 1);
-	my $real_name = $name;
-	my $real_address = $address;
-
-	if (exists $mailmap->{names}->{$email} || exists $mailmap->{addresses}->{$email}) {
-		if (exists $mailmap->{names}->{$email}) {
-			$real_name = $mailmap->{names}->{$email};
-		}
-		if (exists $mailmap->{addresses}->{$email}) {
-			$real_address = $mailmap->{addresses}->{$email};
-		}
-	} else {
-		if (exists $mailmap->{names}->{$address}) {
-			$real_name = $mailmap->{names}->{$address};
-		}
-		if (exists $mailmap->{addresses}->{$address}) {
-			$real_address = $mailmap->{addresses}->{$address};
-		}
+    my ($name, $address) = parse_email($line);
+    my $email = format_email($name, $address, 1);
+    my $real_name = $name;
+    my $real_address = $address;
+
+    if (exists $mailmap->{names}->{$email} ||
+	exists $mailmap->{addresses}->{$email}) {
+	if (exists $mailmap->{names}->{$email}) {
+	    $real_name = $mailmap->{names}->{$email};
+	}
+	if (exists $mailmap->{addresses}->{$email}) {
+	    $real_address = $mailmap->{addresses}->{$email};
+	}
+    } else {
+	if (exists $mailmap->{names}->{$address}) {
+	    $real_name = $mailmap->{names}->{$address};
+	}
+	if (exists $mailmap->{addresses}->{$address}) {
+	    $real_address = $mailmap->{addresses}->{$address};
 	}
-	return format_email($real_name, $real_address, 1);
+    }
+    return format_email($real_name, $real_address, 1);
 }
 
 sub mailmap {
@@ -1146,18 +1147,17 @@ sub mailmap {
 }
 
 sub merge_by_realname {
-	my %address_map;
-	my (@emails) = @_;
-	foreach my $email (@emails) {
-		my ($name, $address) = parse_email($email);
-		if (!exists $address_map{$name}) {
-			$address_map{$name} = $address;
-		} else {
-			$address = $address_map{$name};
-			$email = format_email($name,$address,1);
-		}
+    my %address_map;
+    my (@emails) = @_;
+    foreach my $email (@emails) {
+	my ($name, $address) = parse_email($email);
+	if (!exists $address_map{$name}) {
+	    $address_map{$name} = $address;
+	} else {
+	    $address = $address_map{$name};
+	    $email = format_email($name,$address,1);
 	}
-
+    }
 }
 
 sub git_execute_cmd {
@@ -1555,7 +1555,7 @@ sub interactive_get_maintainers {
 
 Any *'d entry is selected.
 
-If you have git or hg installed, You can choose to summarize the commit
+If you have git or hg installed, you can choose to summarize the commit
 history of files in the patch.  Also, each line of the current file can
 be matched to its commit author and that commits signers with blame.