From: Javier González <jg@lightnvm.io>
Date: Wed, 8 Nov 2017 09:59:03 +0000 (+0100)
Subject: nvme: compare NQN string with right size
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=a47619b5c6ead6c2e10b8114a5e9291a1679a7c3;p=openwrt%2Fstaging%2Fblogic.git

nvme: compare NQN string with right size

Copy subnqns using NVMF_NQN_SIZE as it is < 256

Signed-off-by: Javier González <javier@cnexlabs.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 65fd2fc1ae3c..8a60cc786220 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1810,7 +1810,7 @@ static void nvme_init_subnqn(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
 
 	nqnlen = strnlen(id->subnqn, NVMF_NQN_SIZE);
 	if (nqnlen > 0 && nqnlen < NVMF_NQN_SIZE) {
-		strcpy(ctrl->subnqn, id->subnqn);
+		strncpy(ctrl->subnqn, id->subnqn, NVMF_NQN_SIZE);
 		return;
 	}