From: Sagi Grimberg <sagi@grimberg.me>
Date: Fri, 2 Aug 2019 20:29:11 -0700
Subject: [PATCH] nvmet-tcp: fix possible memory leak
References: bsc#1156419,jsc#SLE-8281
Git-commit: 35d1a938dcdaeb8e1d860f061a0cd11f67f42774
Patch-mainline: v5.4-rc1

when we uninit a command in error flow we also need to
free an iovec if it was allocated.

Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Hannes Reinecke <hare@suse.de>
---
 drivers/nvme/target/tcp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index 0d63f3da0117..76e43750b9e5 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -1309,6 +1309,7 @@ static void nvmet_tcp_finish_cmd(struct nvmet_tcp_cmd *cmd)
 {
 	nvmet_req_uninit(&cmd->req);
 	nvmet_tcp_unmap_pdu_iovec(cmd);
+	kfree(cmd->iov);
 	if (cmd->req.sg_cnt)
 		sgl_free(cmd->req.sg);
 }
-- 
2.16.4