[PATCH 5/6] libmultipath: deal with flushing no maps

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dm_flush_maps() was failing if there were no device-mapper devices at
all, instead of returning success, since there is nothing to do.

Fixes: "libmultipath: make dm_flush_maps only return 0 on success"
Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
---
 libmultipath/devmapper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libmultipath/devmapper.c b/libmultipath/devmapper.c
index 126cd728..b8199cb5 100644
--- a/libmultipath/devmapper.c
+++ b/libmultipath/devmapper.c
@@ -1024,10 +1024,10 @@ int dm_flush_maps (int need_suspend, int retries)
 	if (!(names = dm_task_get_names (dmt)))
 		goto out;
 
+	r = 0;
 	if (!names->dev)
 		goto out;
 
-	r = 0;
 	do {
 		if (need_suspend)
 			r |= dm_suspend_and_flush_map(names->name, retries);
-- 
2.17.2

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