From f0306f793fa079fb2ba6a25d3df5ddc0a0d7524c Mon Sep 17 00:00:00 2001
From: trasz <trasz@FreeBSD.org>
Date: Tue, 11 Feb 2014 10:55:32 +0000
Subject: [PATCH] Improve check for duplicated paths.  It shows the warning
 twice for every path (once for each duplicate found), but it should do for
 now.

Sponsored by:	The FreeBSD Foundation
---
 usr.sbin/ctld/ctld.c | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/usr.sbin/ctld/ctld.c b/usr.sbin/ctld/ctld.c
index f6fb3ce4bec2..265af5086dba 100644
--- a/usr.sbin/ctld/ctld.c
+++ b/usr.sbin/ctld/ctld.c
@@ -873,6 +873,7 @@ static int
 conf_verify_lun(struct lun *lun)
 {
 	const struct lun *lun2;
+	const struct target *targ2;
 
 	if (lun->l_backend == NULL)
 		lun_set_backend(lun, "block");
@@ -901,16 +902,6 @@ conf_verify_lun(struct lun *lun)
 		    lun->l_target->t_iqn);
 		return (1);
 	}
-#if 1 /* Should we? */
-	TAILQ_FOREACH(lun2, &lun->l_target->t_luns, l_next) {
-		if (lun == lun2)
-			continue;
-		if (lun->l_path != NULL && lun2->l_path != NULL &&
-		    strcmp(lun->l_path, lun2->l_path) == 0)
-			log_debugx("WARNING: duplicate path for lun %d, "
-			    "target \"%s\"", lun->l_lun, lun->l_target->t_iqn);
-	}
-#endif
 	if (lun->l_blocksize == 0) {
 		lun_set_blocksize(lun, DEFAULT_BLOCKSIZE);
 	} else if (lun->l_blocksize < 0) {
@@ -924,6 +915,20 @@ conf_verify_lun(struct lun *lun)
 		    lun->l_target->t_iqn);
 		return (1);
 	}
+	TAILQ_FOREACH(targ2, &lun->l_target->t_conf->conf_targets, t_next) {
+		TAILQ_FOREACH(lun2, &targ2->t_luns, l_next) {
+			if (lun == lun2)
+				continue;
+			if (lun->l_path != NULL && lun2->l_path != NULL &&
+			    strcmp(lun->l_path, lun2->l_path) == 0) {
+				log_debugx("WARNING: path \"%s\" duplicated "
+				    "between lun %d, target \"%s\", and "
+				    "lun %d, target \"%s\"", lun->l_path,
+				    lun->l_lun, lun->l_target->t_iqn,
+				    lun2->l_lun, lun2->l_target->t_iqn);
+			}
+		}
+	}
 
 	return (0);
 }