From 486b5aac85f6ec0b2df3e82a6a629d5eb7804db5 Mon Sep 17 00:00:00 2001
From: Igor Konopko <igor.j.konopko@intel.com>
Date: Sat, 4 May 2019 20:37:59 +0200
Subject: [PATCH] lightnvm: pblk: fix lock order in pblk_rb_tear_down_check
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In pblk_rb_tear_down_check() the spinlock functions are not
called in proper order.

Fixes: a4bd217 ("lightnvm: physical block device (pblk) target")
Signed-off-by: Igor Konopko <igor.j.konopko@intel.com>
Reviewed-by: Javier González <javier@javigon.com>
Reviewed-by: Hans Holmberg <hans.holmberg@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 drivers/lightnvm/pblk-rb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/lightnvm/pblk-rb.c b/drivers/lightnvm/pblk-rb.c
index 03c241b..3555014 100644
--- a/drivers/lightnvm/pblk-rb.c
+++ b/drivers/lightnvm/pblk-rb.c
@@ -799,8 +799,8 @@ int pblk_rb_tear_down_check(struct pblk_rb *rb)
 	}
 
 out:
-	spin_unlock(&rb->w_lock);
 	spin_unlock_irq(&rb->s_lock);
+	spin_unlock(&rb->w_lock);
 
 	return ret;
 }
-- 
2.7.4