[PATCH] lightnvm: pblk-gc: fix an error pointer dereference in init

[Dan Carpenter]

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.carpen...@oracle.com>

diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c
index 9b147cfd8a41..f173fd4ea947 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;
 }