Fix trivial instances of wrong autoconf exitcodes

plugins/disk/du

@@ -58,11 +58,10 @@ ID=1;
 if [ "$1" = "autoconf" ]; then
 	if [ -d $DIR ]; then
 	    echo "yes"
-	    exit 0
 	else
 		echo "no (check your path)"
-		exit 1
 	fi
+	exit 0
 fi
 
 if [ "$1" = "config" ]; then

plugins/disk/e2

@@ -57,11 +57,10 @@ lse2() {
 if [ "$1" = "autoconf" ]; then
 	if which dumpe2fs >/dev/null 2>&1; then
 		echo yes
-		exit 0
 	else
 		echo no
-		exit 1
 	fi
+	exit 0
 fi
 if [ "$1" = "suggest" ]; then
 	lse2 | while read name rest; do

plugins/disk/hpasmcli2_

@@ -60,7 +60,6 @@ if (defined($ARGV[0])) {
             my @chk_result = `$hpasmcli -s \"help\"`;
             if ($? eq "0") {
                 print "yes\n";
-                exit 0;
             } else {
                 my $reason = 'Unknown error';
                 foreach my $line (@chk_result) {
@@ -71,12 +70,11 @@ if (defined($ARGV[0])) {
                     }
                 }
                 print "no ($reason)\n";
-                exit 1;
             }
         } else {
             print "no (hpasmcli not found)\n";
-            exit 1;
         }
+        exit 0;
     } elsif ($ARGV[0] eq 'suggest') {
         print "temp\nfans\n";
         exit 0;

plugins/disk/linux_diskstat_

@@ -147,12 +147,11 @@ if ( defined $ARGV[0] && $ARGV[0] eq 'autoconf' ) {
     if ( !$@ && keys %stats ) {
 
         print "yes\n";
-        exit 0;
     }
     else {
         print "no\n";
-        exit 1;
     }
+    exit 0;
 }
 
 

plugins/disk/md_iostat_

@@ -96,10 +96,10 @@ $mdstat_present = -f '/proc/mdstat';
 if ( defined($ARGV[0]) and $ARGV[0] eq "autoconf") {
   if ($mdstat_present and ($detailed_present or $stat_present)) {
     print "yes\n";
-    exit 0;
+  } else {
+    print "no\n";
   }
-  print "no\n";
-  exit 1;
+  exit 0;
 }
 
 my %devs;

plugins/disk/megaraid-controller-information

@@ -126,11 +126,10 @@ my %config = (
 if ($ARGV[0] and $ARGV[0] eq "autoconf" ) {
    if (-e $Command ) {
       print "yes\n";
-      exit 0;
       } else {
       print "no\n";
-      exit 1
      }
+     exit 0;
 }
 
 #Read Output of MegaRaid command

plugins/disk/raid-mismatch-count

@@ -30,14 +30,12 @@ returnval=$?
 if [ "x$1" = "xautoconf" ]; then
 	if [ -z "$targets" ]; then
 		echo "no (no md devices found under /sys/devices/virtual/block/*/md/mismatch_cnt)"
-		exit 1;
 	elif [ "x$returnval" != "x0" ]; then
 		echo "no (discovery of md devices failed strangely)"
-		exit 1;
 	else
 		echo "yes"
-		exit 0
 	fi
+	exit 0
 fi
 
 if [ "x$1" = "xconfig" ]; then