From def052d21c4e77975bb75cf212f018ec913f8e2f Mon Sep 17 00:00:00 2001
From: Alasdair G Kergon <agk@redhat.com>
Date: Mon, 21 Jul 2008 12:00:31 +0100
Subject: [PATCH] dm mpath: fix test for reinstate_path
Fix test for reinstate_path method before attempting to use it.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: Julia Lawall <julia@diku.dk>
---
drivers/md/dm-mpath.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 230d7890ec8a85..fea966d66f9838 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -871,7 +871,7 @@ static int reinstate_path(struct pgpath *pgpath)
if (pgpath->path.is_active)
goto out;
- if (!pgpath->pg->ps.type) {
+ if (!pgpath->pg->ps.type->reinstate_path) {
DMWARN("Reinstate path not supported by path selector %s",
pgpath->pg->ps.type->name);
r = -EINVAL;
--
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