From: Sagi Grimberg <sagi@grimberg.me>
Date: Sun, 19 Mar 2017 04:26:28 +0000 (+0200)
Subject: nvme-loop: fix module_init (theoretical) error path
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d19eef029dad7600b69968036e877cdcf51e860d;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

nvme-loop: fix module_init (theoretical) error path

if nvmf_register_transport happend to fail, we
need to nvmet_unregister_transport as well.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index a74cd11e63c6..c95c13898bcb 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -745,7 +745,12 @@ static int __init nvme_loop_init_module(void)
 	ret = nvmet_register_transport(&nvme_loop_ops);
 	if (ret)
 		return ret;
-	return nvmf_register_transport(&nvme_loop_transport);
+
+	ret = nvmf_register_transport(&nvme_loop_transport);
+	if (ret)
+		nvmet_unregister_transport(&nvme_loop_ops);
+
+	return ret;
 }
 
 static void __exit nvme_loop_cleanup_module(void)