Index: bootadm/usr/src/cmd/boot/bootadm/bootadm.c
===================================================================
--- bootadm.orig/usr/src/cmd/boot/bootadm/bootadm.c	2012-12-29 17:48:08.230210383 +0400
+++ bootadm/usr/src/cmd/boot/bootadm/bootadm.c	2012-12-29 19:27:56.311517916 +0400
@@ -923,13 +923,13 @@
 	assert(which);
 	assert(setting);
 
-	if (*which != NULL) {
+	if (*which != '\0') {
 		/*
 		 * If "which" is not a number, assume it's a setting we want
 		 * to look for and so set up the routine to look for "which"
 		 * in the default entry.
 		 */
-		while (*p != NULL)
+		while (*p != '\0')
 			if (!(isdigit((int)*p++))) {
 				setting = which;
 				which = mp->curdefault->arg;
@@ -950,10 +950,10 @@
 		return (BAM_ERROR);
 	}
 
-	found = (*setting == NULL);
+	found = (*setting == '\0');
 
 	for (lp = ent->start; lp != NULL; lp = lp->next) {
-		if ((*setting == NULL) && (lp->flags != BAM_COMMENT))
+		if ((*setting == '\0') && (lp->flags != BAM_COMMENT))
 			bam_print(PRINT, lp->line);
 		else if (lp->cmd != NULL && strcmp(setting, lp->cmd) == 0) {
 			bam_print(PRINT, lp->arg);