Fix error message when zfs module are already unloaded

Using zfs-sh -u on linux will fail with inaccurate message when the zfs modules are already unloaded. Deal with the case where a module is already unloaded; its USE_COUNT will be the empty string Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Adam Moss <[email protected]> Closes openzfs#11627
jsai20 · Mar 30, 2021 · 2b46965 · 2b46965
1 parent 3e22a24
commit 2b46965
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/scripts/zfs.sh b/scripts/zfs.sh
@@ -198,7 +198,7 @@ unload_modules_linux() {
 
 		if [ "$USE_COUNT" = "0" ] ; then
 			unload_module_linux "$KMOD" || return 1
-		else
+		elif [ "$USE_COUNT" != "" ] ; then
 			echo "Module ${NAME} is still in use!"
 			return 1
 		fi