From 92286311f824dc0538e1eb2c8561ad3eb349c90f Mon Sep 17 00:00:00 2001
From: "Adam D. Moss" <c@yotes.com>
Date: Tue, 13 Oct 2020 16:51:54 -0700
Subject: [PATCH] Add zfs.sh module unload error message

If modules fail to unload because of outstanding users, don't
consider this a success.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Adam Moss <c@yotes.com>
Closes #11042
---
 scripts/zfs.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/scripts/zfs.sh b/scripts/zfs.sh
index e676fc295..c131429c9 100755
--- a/scripts/zfs.sh
+++ b/scripts/zfs.sh
@@ -198,6 +198,9 @@ unload_modules_linux() {
 
 		if [ "$USE_COUNT" = "0" ] ; then
 			unload_module_linux "$KMOD" || return 1
+		else
+			echo "Module ${NAME} is still in use!"
+			return 1
 		fi
 	done