From: Sagi Grimberg <sagi@grimberg.me>
Date: Sat, 3 Aug 2019 03:29:11 +0000 (-0700)
Subject: nvmet-tcp: fix possible memory leak
X-Git-Tag: v5.4-rc1~148^2~45^2~15
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=35d1a938dcdaeb8e1d860f061a0cd11f67f42774;p=linux.git

nvmet-tcp: fix possible memory leak

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>
---

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);
 }