To make the helper function _unload_modules() more robust, reimplement
it to call _patient_rmmod(). Another function with the similar name
_unload_module() is left as it is.

Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
---
 check | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/check b/check
index 6a156b3..a8b7611 100755
--- a/check
+++ b/check
@@ -596,10 +596,13 @@ _unload_module() {
 }
 
 _unload_modules() {
-	local i
+	local i reason
 
 	for ((i=${#MODULES_TO_UNLOAD[@]}; i > 0; i--)); do
-		_unload_module "${MODULES_TO_UNLOAD[i-1]}" 10
+		if ! reason=$(_patient_rmmod "${MODULES_TO_UNLOAD[i-1]}" \
+					     2>&1); then
+			echo "${reason}" >&2
+		fi
 	done
 
 	unset MODULES_TO_UNLOAD
-- 
2.52.0