linux-kernel - [GIT PULL 17/19] lightnvm: pblk-gc: fix an error pointer dereference in init

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Date:   Sat, 15 Apr 2017 20:55:51 +0200
From:   Matias Bjørling <matias@...xlabs.com>
To:     <axboe@...com>
CC:     <linux-block@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Matias Bjørling <matias@...xlabs.com>
Subject: [GIT PULL 17/19] lightnvm: pblk-gc: fix an error pointer dereference in init

From: Dan Carpenter <dan.carpenter@...cle.com>

These labels are reversed so we could end up dereferencing an error
pointer or leaking.

Fixes: 7f347ba6bb3a ("lightnvm: physical block device (pblk) target")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: Matias Bjørling <matias@...xlabs.com>
---
 drivers/lightnvm/pblk-gc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c
index 9b147cf..f173fd4 100644
--- a/drivers/lightnvm/pblk-gc.c
+++ b/drivers/lightnvm/pblk-gc.c
@@ -527,10 +527,10 @@ int pblk_gc_init(struct pblk *pblk)
 
 	return 0;
 
-fail_free_main_kthread:
-	kthread_stop(gc->gc_ts);
 fail_free_writer_kthread:
 	kthread_stop(gc->gc_writer_ts);
+fail_free_main_kthread:
+	kthread_stop(gc->gc_ts);
 
 	return ret;
 }
-- 
2.9.3