diff --git a/sys/dev/vinum/vinumutil.c b/sys/dev/vinum/vinumutil.c
index cf6bfb1c9c2f..64aa21822418 100644
--- a/sys/dev/vinum/vinumutil.c
+++ b/sys/dev/vinum/vinumutil.c
@@ -35,7 +35,7 @@
  * otherwise) arising in any way out of the use of this software, even if
  * advised of the possibility of such damage.
  *
- * $Id: vinumutil.c,v 1.2 2005/06/26 22:34:12 christos Exp $
+ * $Id: vinumutil.c,v 1.3 2005/07/05 22:20:47 he Exp $
  * $FreeBSD$
  */
 
@@ -52,7 +52,7 @@ extern jmp_buf command_fail;				    /* return on a failed command */
 static char numeric_state[32];				    /* temporary buffer for ASCII conversions */
 #define STATECOUNT(x) (sizeof (x##statetext) / sizeof (char *))
 /* Return drive state as a string */
-char *
+const char *
 drive_state(enum drivestate state)
 {
     if (((unsigned) state) >= STATECOUNT(drive)) {
@@ -63,7 +63,7 @@ drive_state(enum drivestate state)
 }
 
 /* Return volume state as a string */
-char *
+const char *
 volume_state(enum volumestate state)
 {
     if (((unsigned) state) >= STATECOUNT(vol)) {
@@ -74,7 +74,7 @@ volume_state(enum volumestate state)
 }
 
 /* Return plex state as a string */
-char *
+const char *
 plex_state(enum plexstate state)
 {
     if (((unsigned) state) >= STATECOUNT(plex)) {
@@ -115,7 +115,7 @@ plex_org(enum plexorg org)
 }
 
 /* Return sd state as a string */
-char *
+const char *
 sd_state(enum sdstate state)
 {
     if (((unsigned) state) >= STATECOUNT(sd)) {
diff --git a/sys/dev/vinum/vinumutil.h b/sys/dev/vinum/vinumutil.h
index 9bd07790af75..9dbff285016a 100644
--- a/sys/dev/vinum/vinumutil.h
+++ b/sys/dev/vinum/vinumutil.h
@@ -35,7 +35,7 @@
  * otherwise) arising in any way out of the use of this software, even if
  * advised of the possibility of such damage.
  *
- * $Id: vinumutil.h,v 1.2 2005/06/26 22:34:38 christos Exp $
+ * $Id: vinumutil.h,v 1.3 2005/07/05 22:20:47 he Exp $
  * $FreeBSD$
  */
 
@@ -43,11 +43,11 @@
  * Functions defined in vinumutil.c, which is used both in userland
  * and in the kernel.
  */
-char *drive_state(enum drivestate);
-char *volume_state(enum volumestate);
-char *plex_state(enum plexstate);
+const char *drive_state(enum drivestate);
+const char *volume_state(enum volumestate);
+const char *plex_state(enum plexstate);
 const char *plex_org(enum plexorg);
-char *sd_state(enum sdstate);
+const char *sd_state(enum sdstate);
 enum drivestate DriveState(char *text);
 enum sdstate SdState(char *text);
 enum plexstate PlexState(char *text);